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Subaru forester acceleration problem. The car has had a "clank" noise when putting it .
Subaru forester acceleration problem. When I push the accelerator to about 25% or 100% the car pulls well and accelerates at the normal rate. 0 engine has gained popularity for its practicality and all-wheel-drive capabilities. Aug 8, 2018 · I was wondering if anyone else is having this problem or may offer a solution. Understanding these symptoms is crucial for any Forester owner, as early detection can lead to more manageable repairs and Nov 25, 2016 · 06 X Forester with acceleration problem ('06-'08) Jump to Latest 2. My Forester has roughly 60,000 miles on it. But I don't quite Jul 19, 2012 · I have been driving my Forester XT -2010 for more than 2 years. It is advisable to consult a professional mechanic to diagnose and resolve the issue effectively. Noticed it from day Get Your Subaru’s CVT Inspected Today At A&A The Shop, our team specializes in Subaru repairs, including CVT maintenance, and fluid changes, to extend the life of your transmission. Anyone??? Nov 24, 2022 · Common Subaru Forester Transmission Problems To clarify things, we will separate this section into different model year generations and transmissions that came with a particular generation of the Forester. Mar 9, 2025 · Has anyone had an issue with unintended acceleration? While pulling into a parking space with my foot on the brake to slow down, my car suddenly accelerated and jumped forward. Love the car but am getting frustrated with it's poor running condition. 5i Premium. Press the accelerator, it revs to the problem rpm Of course this happens the day I start driving across Canada. I would report it to the dealership as it is most likely a TCU (transmission control unit) problem. I've been having an intermittent acceleration problem. If anyone remembers the Audi problem with unintended acceleration, the factory tried to attribute the problem to driver error, but there were design issues found. May 2, 2024 · Subaru owners have filed a lawsuit against the automaker for alleged unintended acceleration. May 7, 2025 · The 2016 Subaru Forester is a popular compact SUV known for its all-wheel drive, spacious interior, and reliability. The issue arises once the hill hits a certain angle, if going say 75mph(well Aug 27, 2017 · The 2017 Subaru Forester has 20 problems reported for shuddering and jerking. Running along about 50 mph, felt surging/missing. Learn your options today. i don’t know what is up with it, any ideas? my check engine light starts flashing when this happens as well. Mar 21, 2015 · Shop changed spark plugs, oil/filter (Royal Purple). The dealership said to “ just give it a little more gas”. 0-5 normal, slip/bump around 5, then normal. The car has had a "clank" noise when putting it May 9, 2018 · ‘15 Forester 2. 0 AWD that I bought in ’19. After several mechanics and other repairs that I was advised to make but were unrelated, the issue continued to happen. subaru forester acceleration problems Other posts Kebrenn Favorite GMT400 Owners 3w · Public Yo family i’m replacing my upper control arms and i don’t have my pry bar or separator whats another way i can get this ball joint out? 1996 Chevy C1500 Anthony Gotschall and 22 others 23 reactions · 49 comments Ruben Osborn S10 Connection 25w Oct 30, 2024 · If you’re a Subaru Forester owner experiencing the dreaded stall at idle, you’re not alone. Rubbish! My question is this. 2016 Subaru Forester engine problems with 106 complaints from Forester owners. Dad thought it was bad fuel I picked up somewhere so I’ve been running 91 octane, did a dose of Aug 13, 2017 · I have had my 2017 Forester, with cvt, for a month or so. Nov 2, 2019 · If your Subaru Forester is jerking when you press the accelerator, a few common issues can cause this. In a turbo car is is most prevalent during transition from vacuum to boost or vice Dec 8, 2019 · getting ready to buy new Subaru - I read some complaints about the CVT shuddering and jerking on the 2017s and past yrs too. Oct 17, 2023 · My Forester has recently started missing, sometimes badly, under acceleration, both from a stop and at steady highway speeds. Trying to track an acceleration problem with my 2013 Forester. I have to drive the car with the gas pedal pushed fully in. Several months ago I needed control arms. 4K views 7 replies 5 participants last post by 04 Forester sti May 7, 2008 0 Feb 20, 2023 · Hi all & thank you so much in advance! - Recently purchased (2 mo. May 31, 2022 · 1. Apr 24, 2024 · The lawsuit alleges that certain Subaru models, including the 2012-2018 Subaru Forester, 2015-2019 Subaru Outback, and 2015-2019 Subaru Legacy, have a defect that causes sudden and unintended acceleration without driver input. Well the problems are back. What happens is that the car feels as if I'm rapidly pulsing the accelerator hard, about 3-4 times per second. Average failure mileage is 47,700 miles. If I just press lightly on it, it will accelerate slowly and Aug 25, 2019 · Hello! My 2013 Forester Has an acceleration problem. The acceleration isn't constant. Knock Aug 25, 2019 · My 2013 Forester Has an acceleration problem. Driver's side front axle was blown, ripped inner boot. Jun 25, 2015 · Smooth acceleration a problem ('14-'18) Jump to Latest 8K views 9 replies 9 participants last post by dawgMobile Aug 15, 2015 Sep 15, 2021 · As a result of the problem, owners and lessees have “been deprived of the benefit of their bargain,” the case says, given the value of their Subaru vehicles has materially diminished. I have lurked around on here and a guy seemed to have 80% fixed the problem with replacing an Sep 16, 2020 · There is now a second sudden acceleration lawsuit concerning newer Subaru Forester, Outback, and Legacy models. Most non-Subaru specialty mechanics seem to shy away from doing anything with the CVT. I took it to the dealer for diagnosis and they found no codes but suggested new plugs (20,000 miles on the current ones). l 2. 5 engine problems, recalls, and TSBs to keep your vehicle running smoothly. This Apr 24, 2015 · I have been having this problem since I bought my 2015 5 months ago. The worst complaints are not accelerating, accelerator dead spot, jerks, and idles roughly after warmup. Jun 19, 2010 · That is interesting! I have had hesitation problems with 2 2. Just Jun 10, 2015 · There seems to be a weird wobble/shake going on only during acceleration and not coasting. There are 353 complaints mostly about engine problems. May 9, 2014 · In the last couple of weeks the acceleration of my 2014 Forester has started having problems. For those who have drive both a 2017 (or earlier) and a 2020, is the 2020 pedal less sensitive? Jun 22, 2018 · My 2015 Touring has the known problem of hesitating and lag when starting from a stop or accelerating to pass someone. This is typically only a problem in fifth gear, but on very steep hills can even become an issue with fourth gear as well. 5i, cvt Engine has lag/hesitation to it, at about 1500 - 1800 rpm. I'm not talking about the higher revs that Jul 20, 2014 · I have a new one month old 2016 AU facelift XT, which under light acceleration has a mild on and off surging feeling or mild bucking. It feels as though the car Oct 4, 2016 · Join me in filling a class action against Subaru. Sometimes when starting from a stop, it will briefly have the sensation of a transmission slip at around 5mph, then "catches" and goes on normally. Apr 21, 2020 · Hi all. Subaru’s overall reliability rating is 3. 5 nat asp Things I have done: Spark plugs all 4 1 damaged ignition coil Replaced catalytic converter New maf and air filter New pcv valve and hose It ran fine until a few weeks ago, I was in the We would like to show you a description here but the site won’t allow us. I have been noticing for a while that upon/during acceleration uphill or when I was accelerating up a road with an incline, there is a wobble/shake. About 4 months ago Nov 16, 2022 · My 2021 Forester developed an issue at approx. They were shot. I'm thinking Apr 22, 2025 · The new 2025 Subaru Forester Hybrid should have been an easy win for Subaru. On a recent road trip, my wife and I noticed a strange stutter when going up a hill on a highway. Anything less than that the car hesitates, shakes, and backfires. There will be no cost unless we loose. I have seen similar issues in other posts and forums but none that really match. Q2) Is the vehicle carrying lots of weight or towing at the time ? The 2016 Subaru Forester has 60 NHTSA complaints for the engine at 22,742 miles average. I had to have the solenoids replaced on the first occasion and then Jun 20, 2025 · Discover common Subaru Forester boxer engine problems, their causes, and insights from owner experiences and recalls. Understanding Subaru’s CVT Transmissions A CVT eliminates traditional gears, relying instead on a belt-and-pulley system that’s designed to constantly adjust gear ratios for optimal performance. it’s really worrying me and i don’t have a lot of money to replace things Aug 28, 2024 · Has anyone had an issue with unintended acceleration? While pulling into a parking space with my foot on the brake to slow down, my car suddenly accelerated and jumped forward. Ask: I'm happy to test the car or parts in reasonable ways to resolve issues. Average failure mileage is 23,600 miles. Here’s what you need to know about the most unreliable model years. Jun 23, 2025 · The Subaru Forester with a 2. Jul 10, 2020 · The Subaru Forester 2017 and other late model Subarus are giving some owners trouble with unintended acceleration, which has led to at least one lawsuit. In Apr 26, 2024 · Conclusion Subaru stuttering during acceleration can be caused by various factors, including problems with the waste gate actuator, valve body, timing belt, spark plugs, fuel supply, transmission, and sensors. ago) 2018 Forester is now shaking when accelerating. Sep 27, 2020 · Subaru agreed to cover the clogged aftermarket manifold with a factory one as long as they could have the aftermarket one to send back to Subaru??? I agreed but questioning why they want the manifold, I hope it is to contact Walker because that's what I wanted to do. Sep 9, 2020 · Subaru unintended acceleration complaints have been made about the following generations: 4th Generation Forester (2012-2018) 6th Generation Legacy (2015-2019) 6th Generation Outback (2015-2019) As you might imagine, a vehicle that accelerates on its own poses an unreasonable safety risk to owners and blaming owners or hoping the problem just goes away isn't going to win over many hearts. I was able to brake harder to stop the car. Jun 9, 2025 · Discover common engine problems in the 2021 Subaru Forester, including symptoms, recalls, and owner experiences. 12,000 miles. It seems to hesitate or have slow or lack of power when you accelerate slowly Jun 10, 2025 · Common Subaru Impreza problems: Transmission failure, engine failure, acceleration problems, airbag issues, electrical failure, brake line corrosion The Impreza’s electrical issues extended from the third generation into the fourth generation with the 2012 and 2013 model years. Lauderdale Subaru, Subaru service center, Subaru acceleration diagnostics, Subaru acceleration repair, Subaru Apr 22, 2023 · As of this month, there are at least 154 complaints of unintended acceleration for 2012-20 Subaru Forester SUVs, 16 complaints for 2015-20 Legacy cars and about 67 complaints for 2016-20 Outback SUVs. It ran completely fine for a few years and Why does my Subaru engine hesitate when accelerating? If your Subaru engine hesitates when you try to accelerate, it could be due to a few common issues. Owners have made 706 complaints complaints over 24 model years, mostly about engine issues. My mechanic installed a pair of after market axles. As for suspension - I did need to have my tie rods replaced - or at least some part of them. Two Subaru acceleration lawsuits were filed in 2020, one in May and Apr 30, 2024 · Subaru of America is facing a lawsuit following a series of complaints from owners alleging unintended acceleration in their vehicles, even with the driver’s foot nowhere near the throttle pedal Jul 3, 2020 · A growing number of consumers are reporting problems with unintended acceleration in certain Subaru models, leading to a recent class action lawsuit. However, like any vehicle, it has its share of engine issues that can rear their heads over time. 0x that every spring, when the temperatures start to rise to 20 C, it no longer accelerates in the 2000-3000 rpm range Jan 16, 2025 · Hi everyone, hoping folks can point me to some troubleshooting exercises for my issue here. Fixed, no problem. Now has 3200 miles. Then it started raining. My problem comes when I accelerate at about 45% to 90% of the way. I drove it a bit yesterday, ran great. Have changed the plugs, leads, fuel, oil and air filter. Something strange happened to the front end. The 2015 Subaru Forester has 11 problems reported for unintended acceleration. The forrester is slow/chuggy to accelerate between 0 and ~20 km/h. The most common reason a vehicle jerks when accelerating is a misfire. Not every time, but more often than not, starting from a dead stop, no throttle response. Like seriously underpowered. " My 2016 OB surges/stumbles EVERY time when applying Feb 26, 2025 · Discover common Subaru shifting problems, their causes, owner feedback, and recall information to keep your vehicle running smoothly. I have a 2016 Subaru Forester XT 2. Subaru has issued a Technical Service Bulletin on 7/28/21. Jan 8, 2016 · 2008 - AT - Bogging down, no power, won't hold speed over 35? [plugged CAT] - SOLVED! Oct 21, 2019 · I cannot get used to my 2017 Forester touchy gas pedal. If you pull away from a stop by 'stabbing' the throttle, say from 50-75% of its travel, in about 1 in 4 cases, the car just 'dies' like I've released my foot from the throttle. Average failure mileage is 4,650 miles. Jul 23, 2022 · I've just seen a couple of Youtube videos where there's been a pair of Subaru basher trolls (in the Comments sections) trying to start rumors of unintended acceleration issues. Here is the latest update on Subaru’s sudden acceleration lawsuit. Understanding these problems can help you identify symptoms early and take action before they escalate. 0, ranking 14th among 32 Apr 19, 2021 · Has anyone had an issue with unintended acceleration? While pulling into a parking space with my foot on the brake to slow down, my car suddenly accelerated and jumped forward. My XT is not taking off like it use to. I have a 2006 Forester and recently i’ve noticed problems, when i hit about 1. 5k rpm my car stops accelerating, this happens everywhere, it’s almost gotten me hit a couple times on the highway. It appears on the dash Sudden unintended acceleration Acceleration while braking If you have experienced these or similar problems, then you may have a claim. After 2 days in the local Subaru repair shop, I was told that nothing The Subaru dealer I bought it from tested my CVT fluid, gave it the green light and it was dead in less than a month. Over the past few months, I have had several strange instances that I'd have to think might all be related to one May 7, 2008 · acceleration problem Jump to Latest 2. No problems after 30km/h and it does great at highway speed. This can happen on both acceleration and deceleration and often feels like a misfire. Engine knocking, increased emissions, or a fuel smell can also indicate EGR valve issues in the Forester. Jul 18, 2024 · During part throttle acceleration, our 2018 Forester XT bogs down then surges ahead, then bogs down, on and on. Explore Subaru Forester 09 Problems, including engine, transmission, and electrical issues, with troubleshooting solutions. Noticed it from day Feb 2, 2008 · Hello all, I welcome comments on this issue I'm having with my 2007 Forester auto trans (non -turbo). Immediately I had noticeable Dec 17, 2024 · Here, I’ll break down the specific Subaru CVT issues, the affected years and models, what causes these problems, Subaru’s fixes, and whether you can trust Subaru’s CVT transmissions today. Sometimes it feels like the turbo or whatever isn't kicking in at all. This common issue can be frustrating and even dangerous, especially in traffic or when you’re trying to stop. About 6 weeks ago my wife and I noticed that while applying moderate throttle, as you would to pass or merge on a highway, that the car begins bucking/surging, feels like Jun 2, 2024 · Hello! maybe I can find some advice here that I haven't been able to find in years, including at Subaru mechanics/offical service. The CVT takes longer. Any ideas? Aug 9, 2013 · Good summary of boost problems here: Scoobypedia | Trusted knowledge for everything Subaru | Knowledge / Boost Related Issues I have already cleaned the boost solenoid and vac lines - but may do it again when I finally get the new centre inlet pipe fitted. If you’re experiencing delayed acceleration, overheating, or unusual transmission behavior, don’t wait—bring your Subaru in for a CVT inspection today. But don’t worry, understanding the potential causes behind why your Subaru Forester stalls at idle is the first step towards getting your vehicle back on the road smoothly. Ignoring EGR valve symptoms can lead to costly Feb 26, 2023 · Four of the five times it occurred during heavy acceleration; one time when in cruise control and not under heavy acceleration. The dealer further suggested $2,200 other Jul 25, 2021 · We own a Forester Premium 2019 with the direct injection 182 bhp engine. Jun 12, 2013 · I heard some outback owners complaining about this when the outback first came out. Take-off/acceleration at times is a bit scary, esp at a left turn, in an intersection, or when needing to jump into ongoing traffic. Jun 15, 2021 · Hesitation/lack of power on acceleration is a known problem with 2017-2021 Impreza and 2018-2021 Crosstrek with manual transmissions. As far as I can tell the engine is basically the same as the Nov 5, 2024 · 2014 Forester touring with 128k About 6-8 months ago, had a couple instances during moderate to hard acceleration (such as getting up to speed on interstate on ramp), where my 2014 would shudder/buck for a short period of time (1-2 seconds) then stop and drive as normal. After 2 days in the local Subaru repair shop, I was told that nothing was wrong with my car. Please forgive me for what might be an obvious question but I'm new at this. It has been regularly maintained by dealership and run on Shell V-Power 93. The car seems to loose power and seems to makes a slight jerking motion as if you were pumping the accelerator Dec 19, 2021 · Here are the eight most common newer Subaru Forester, Outback, Crosstrek, Ascent, and other new model problems owners could face. My 2009 forester XT started to have acceleration problems on the way home today. I have a naturally aspirated Forester SG 2. Jun 20, 2019 · Hey Folks, Some recent developments: I had to go to the same dealer where I bought my ride (Puente Hills Subaru, PHS) twice and they gave me that typical BS runaround about how it’s “normal. Windshield Cracking According to Car Problem Zoo, a site dedicated to owner feedback, the most commonly reported problem on the Forester is windshield cracking. When it finally kicks in, it takes off like a rocket Jun 18, 2018 · I've got a 2015 Forester with just under 40k miles on it. 2012-2020 Forester, 2015-2020 Legacy, and 2015-2020 Outback are mentioned in the lawsuit. (Page 1 of 3) Jan 8, 2012 · well, staying at an even speed, but acceleration becomes non-existent without downshifting. Sep 27, 2019 · We’ve put a quick information table to help you determine why your Forester won’t accelerate. Jul 12, 2024 · What You Need to Know Rough idling, stalling, or decreased fuel efficiency are common symptoms of a faulty EGR valve in 2013-2018 Subaru Forester. For owners and enthusiasts, understanding the symptoms of these issues is crucial for maintaining the engine’s health and performance. Poor acceleration, loss of power, or a lit check engine light may signal a faulty EGR valve. May 13, 2025 · Discover common engine problems in the 2020 Subaru Forester, including recalls, TSBs, and owner experiences. Oct 19, 2005 · Hi All, I'm a new member and have never posted. Feb 26, 2025 · This post delves into the common culprits behind acceleration hesitation in Subaru Foresters, offering insights and guidance for owners experiencing this issue. So far the Subaru has been great! The difference in size was a fairly easy adjustment. This guide is built to help you get a better idea as to why your car is jerking. Aug 17, 2023 · I have a 2020 Forester with barely 25k mi and have been experiencing hesitation on acceleration for over a year now and the dealership can't find a fix Jan 5, 2023 · Hey, first time poster here. Is the issue gone in the 2018 models? When I searched for this, it seems as though Mar 1, 2022 · Hey all. I've tried turning off the traction control Jun 16, 2012 · Hi guys, just added a 2001 Forester (UK) to the collection car is standard as far as I'm aware (did have an aftermarket filter fitted, not sure on make but defo not K&N looked cheap and was filthy so back on a std motoquip filter). After It appears that the Subaru Forester is experiencing some issues with acceleration. Car facts: 2018 Forester, ~80k mi, 2. Car is Forester '10 4EAT XT (turbo), only owner, about 125k mi. Just done the cambelt and changed everything there. For example, when I'm gently merging onto the interstate. My ability to hold within a km or two while driving has suffered but is improving with distance. After 2 days in the local Subaru repair shop, I was told that nothing Apr 11, 2025 · Published by Engineer on 11/04/2025 The 2. They couldn't figure out how to fix it either. It shakes under acceleration around 2k rpm. Happens most of the time. Jul 20, 2025 · Subaru's new Forester improves in all key areas and brings a competent hybrid system, making it worth considering despite the higher prices. However, like any vehicle, it has its share of engine-related issues that can frustrate owners and mechanics alike. I haven't seen nor heard of anything like this since the infamous Toyota Camry sudden acceleration debacle. May 10, 2014 · 2014 Subaru Forester 2. . Hello! maybe I can find some advice here that I haven't been able to find in years, including at Subaru mechanics/offical service. Average failure mileage is 34,000 miles. The Forester’s transmission, for instance, has achieved at least average reliability since 2015 according to Consumer Reports. Jun 7, 2016 · New member, I've been lurking off and on for a few years. 5 out of 5. I get nervous crossing the road sometimes (I’m waiting for healthy gaps). Felt a lot like an out of balance wheel. The good news is that many of these problems are relatively easy to diagnose and fix. Whether you’re driving a Subaru Impreza, Legacy, or Forester, being aware of common subaru forester acceleration problems Other posts Kobe Arroyo Subaru Mechanics 48w · Public I've been having trouble getting my Subaru's motor running properly. Tkamil Kamil and Ricardo Quij Jun 23, 2025 · Discover common Subaru Forester 2. It’s my first ever Subaru and first ever car with a CVT transmission. The choking issue returned with a vengeance. Let me be crystal clear: Subarus are fantastic vehicles with incredible all Subaru Forester Acceleration Problem!!! 70plus2creative 21 subscribers Subscribed Apr 12, 2016 · I have a new one month old 2016 AU facelift XT, which under light acceleration has a mild on and off surging feeling or mild bucking. The 2009 Subaru Forester has 27 NHTSA complaints for the engine at 80,206 miles average. They couldn't make it bog down. The 2015 Subaru Forester has 5 problems reported for engine hesitates when accelerating. Unfortunately, it fails to rectify the regular Forester's biggest shortcoming. I finally sold the first one without fixing it, and now I have a Forester doing the same thing to me, but only when the Check Engine Light is onwhich it is at the moment, thanks to a minute pinprick Rev Up Your Drive: Troubleshooting Acceleration Issues with North Fort Lauderdale Subaru ration problems, throttle lag, poor acceleration, acceleration troubleshooting, acceleration hesitation, slow acceleration, Subaru acceleration issues, Subaru engine performance, North Ft. The engine was rebuilt in August, but when the car warms up, it wants to stall out and throws multiple codes: P0341, P2008, P0346, P2016, and P0336. I’ve noticed sometimes when I am accelerating from a stop or low speed, the Nov 20, 2022 · I have a 2015 Subaru Forester, 110 K miles. The car accelerating very slow and after 4-5 seconds it accelerates sharply. I have a question regarding my 2002 Subaru Forester. See below to see if you would fit into this "class". This issue has gotten progressively worse since that time. Understanding the symptoms of these problems is crucial for anyone who owns or is considering purchasing this model. Dec 15, 2021 · The most common causes for slow acceleration in Subaru Forester are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs and clogged catalytic converter. Looking for some guidance on my 2012 Forester X Premium that has 95000 miles. Recently I have been experiencing problem with slow acceleration after stopping at the traffic lights. Most problems significant enough to make your Subaru Forester not accelerate will cause a diagnostic trouble code. 0x that every spring, when the temperatures start to rise to 20 C, it no longer accelerates in the 2000-3000 rpm range, regardless of the speed the car is in (manual gearbox). ” How can it be normal when during acceleration a wobble shakes your butt like the car wants to dance Dec 1, 2011 · 2001 Forester 160,000 miles I started to get a serious vibration upon acceleration from about 45 MPH and above. Our law firm, Capstone Law APC, is investigating claims that 2015-2019 Subaru Outback and 2012-2018 Subaru Forester vehicles may have defects causing unintended acceleration. Jun 20, 2025 · Discover common engine problems in the 2009 Subaru Forester, including recalls, TSBs, and owner experiences. However, like any vehicle, it has its share of engine issues that can frustrate owners. 0, 6 spd manual, traction cntrl Mar 28, 2020 · We are having the similar problem of a lag in acceleration on our 2015 Forester although we haven't noticed any connection to fuel levels. At high speeds,in excess of 75/80 mph, if I want to accelerate suddenly and floor the gas it will accelerate for few seconds and hold back for few seconds and then accelerate again. 5i Limited Outback and 2016 Forester 2. Problem is, on 23 occasions since new, when I come to a almost stop, like for red light or someone slowing in front of me, and then I hit the gas to go, there is no response from the gas pedal for seconds May 8, 2025 · Discover common engine problems in the 2018 Subaru Forester, including recalls and TSBs, to stay informed and safe. If you’re a Forester owner or considering purchasing one, it’s essential to be aware of the common symptoms associated with engine problems. I've read the few threads/posts on here regarding "surging/stumbling. However, like any vehicle, it has its share of issues that can arise over time. Jul 9, 2023 · Carbon buildup on the valves is a huge problem in our cars and often causes drivability issues such as loss of power, uneven acceleration, hesitation and jerkiness. Also fuel consumption seem high but there is no apparent smoking on acceleration. This might be of interest: audi-sudden The 2019 Subaru Forester has 1 problems reported for sudden acceleration issue, system failed completely. Have owned the Subie for almost a year now. Aug 20, 2023 · Recently I noticed my '19 Limited is surging and bucking under light acceleration (around 1700 - 2000 RPM, give or take). Instead, it's an electronic "drive-by-wire" set up that works more like a dimmer switch on a lamp. Inspect the TPS for erratic voltage readings and clean the throttle body to remove carbon buildup. The Forester ranks 17th in reliability out of 17 Subaru models. While some portion of the CVT complaints may be programming the Nov 6, 2008 · Car is a 2004 Auto XT with 55,000 miles on it. If your car’s check engine light is on, there’s valuable info stored in there. 10,000 miles There seems to be an issue with the transmission when trying to quickly accelerate from a stopped position (such as when waiting to turn left, then gunning the engine to make the turn). We are then going to list the specific problems of each transmission. Oct 13, 2022 · I have a 2012 x with the manual transmission. It is claimed that this defect poses a safety hazard to drivers, passengers, and pedestrians . I can now feel the stutter during during city driving. I've owned nine Subarus, currently own a 2016 2. Jul 31, 2021 · This forum isn't a safety related problem reporting system, but the NHTSA is, and that's where issues like this should be reported. Owners often report various symptoms that indicate potential engine problems. I intend to keep this car for a while. outside that rev range, the car accelerates Dec 11, 2015 · Hello everyone. 0-liter Subaru engine is known for its performance and reliability, but like any mechanical system, it can experience problems. Checking for trouble codes can make the The 4th generation Forester (2014-2018) ranks 38th in reliability out of 38 generations. Since this problem started the gas mileage dropped from 19. it replaced a TDI Golf wagon , 6 speed manual. I'll step on the gas and my car won't accelerate like it used to and then it will explode like a rocket. subaru forester acceleration problems Other posts Rachael Cassel Subaru Forester 5w · Public I have a 2024 Subaru Forester that I bought back in the fall. Have you any idea why your car's performance improved with two different "treatments", running on a near-empty tank and getting the CVT throttle body replaced and a flush? Mar 19, 2025 · A Subaru unintended sudden acceleration lawsuit has been in court five years and still has not been certified as a class action. Here's what's been done so far: Replaced every sensor in the emissions and fuel chains (replacing the temp Jun 27, 2011 · Subaru 2004 2l auto tip tronic. Apr 21, 2025 · The 2009 Subaru Forester is a popular compact SUV known for its all-wheel drive and reliability. It seems to run fine when the pedal is Sudden acceleration in a 2009 Subaru Forester often stems from a malfunctioning throttle position sensor (TPS) or a sticking accelerator pedal. (Page 1 of 2) Feb 12, 2021 · A new report says a Subaru Forester accelerated without warning and stopped after hitting a garage. Seems to me more like a suspension or axle issue. A well-known Subaru problem, drivers have reported spontaneous cracks and chips in their windshields appearing out of nowhere. Check out the complete list here. If something is wrong the the TCU (probably just the "tuning" of the transmission), Subaru will make an updated flash and it takes a few minutes to flash the computer to the new map. What should customers do if they have experienced sudden and unintended acceleration? Mar 3, 2011 · Have posed this problem on this board before but it remains unsolved. Recently it has been surging/hesitating/jolting. Learn about common forced acceleration issues in Subaru vehicles, their causes, and how to address them effectively. I loved it but now it's frustrating me. No codes. 5i Premium I had just taken in my Forester for oil change and had Firestone replace the air intake and cabin filters along with an oil change and within 10 minutes of driving away I wondered if they didn't install a used old air filter that was packed with dirt because the acceleration was all of a sudden terrible. With the major amount of electronics in most cars today (and some Subaru models in particular) there's a lot more electronic controls involved. It feels like a wheel out of balance but I have pretty much ruled that out since the vibration lasts for only a few seconds even if I maintain the same speed. This pattern of acceleration and holding back continues as Mar 14, 2022 · There are new details in the Subaru lawsuit claiming some Forester and Outback models accelerate without warning. Subaru Forester Losing Acceleration Uphill: Causes and Fixes Forester may experience reduced power uphill and intermittent cruise control malfunctions without warning lights. Subaru Faces Another Class Action Alleging Defects to Blame for Sudden, Unintended Acceleration Problems Welcome to the United States of Litigation Oct 10, 2016 · Q1) Does the problem occur only under hard acceleration (Foot to the floor) or during gentle acceleration or normal cruising at those engine revs as well? A1) This problem occurs under all kinds of acceleration. 3K views 8 replies 2 participants last post by 8lackie Nov 26, 2016 Hoping someone here has encountered this issue and can shed some light on what might be the problem (s). It is very responsive. Mar 25, 2025 · Common Subaru Problems Every Owner & Buyer Should Know Guide to Subaru’s Most Common Problems: An Insider’s Perspective As a seasoned automotive technician who has worked on Subarus, I’m going to break down the most common Subaru problems that can turn your beloved boxer-engined beauty into a expensive planter. Sorry for the novel i want to be as detailed as possible in case these separate issues are connected. May 13, 2009 · I took my car in a while back with similar problems, and after 900, they replaced my O2 sensor. May 23, 2025 · The 2007 Subaru Forester is a compact SUV that has garnered a reputation for its all-wheel-drive capabilities and practicality. Another thing is Aug 31, 2023 · The 2017 Subaru Forester problems aren't majorly catastrophic, but they can still impact the engine, electronics, airbags, and much more. The shaking is most noticeable in 2nd gear. 5 gal/ml to 15 gal/ml. Many drivers have reported various engine-related concerns, which can range from minor annoyances to May 18, 2020 · Alleged Subaru acceleration problems have caused a class action lawsuit that alleges 2012-2018 Subaru Forester, 2015-2019 Subaru Legacy and 2015-2019 Subaru Outback vehicles have defects that 1 day ago · Here are seven Subaru Forester years to avoid due to significant reliability problems, subpar performance, or frustrating maintenance issues. Then my axles started making noise on turns. It has Oct 14, 2021 · The Forester accelerator pedal is not a mechanical linkage like you may have had in the Outback. I replaced it but the vibration remains. I was able to limp it home. About 6 months ago, I noticed some issues with hesitation during acceleration. It's pretty much working as designed. I find it too sensitive when accelerating from a stop. Jun 13, 2010 · Hi, I've just purchased a '98 Forester non turbo and it hesitates on acceleration, hot or cold. Apr 24, 2021 · I have a stock 2018 Forester with the manual transmission, and while the accelerator has always been overly sensitive and fairly inconsistent in response, it has gotten worse lately. I checked - Answered by a verified Subaru Mechanic Jul 24, 2024 · Catch sluggish acceleration, rough idling, and engine stalling in your 2014-2020 Subaru Forester, and uncover the underlying throttle body issues. Took the Sep 23, 2014 · I'm having a problem with my 2003 Subaru forester. No check engine light, no codes. When purchased, shake was slight, but now having driven about 1k miles, the shake is now MUCH much worse. Check out the update and see if your vehicle is on the list. The vehicle “jerks/shudders” in an unsafe manner while accelerating – the problems occurs most often at speeds under 40 MPH and exhibits behaviors of Sep 9, 2020 · A Subaru acceleration lawsuit alleges Subaru Forester, Legacy and Outback vehicles in California have defects that cause sudden unintended acceleration problems. I've had the sluggish acceleration issue happen to me twice already. These issues can range Oct 5, 2024 · Reliability Ratings Across Various Subaru Models Subaru’s CVT reliability has been noted in several consumer reports. Several potential causes could be at play, including a clogged air filter, a dirty mass air flow sensor, a faulty oxygen sensor, or a worn spark plug. 5'sI presume it is the same problem, almost as if the speed control is kicking in whilst cruising and trying to slow the car down. qys dptk yagdu vooiorv lqty bgm ykwi seyajg omnk ripvx