Flat Spot/Bog And Bucking, Lurching And Studdering

2014 Subaru Forester

This problem may be covered under warranty. Ask your Subaru dealer.

CarComplaints.com Notes: Is burning a quart of oil every 1,000 miles normal? Depends on who you ask. While Subaru says it's within "normal specifications," owners wonder why they need to top off their oil reservoir 4 times between every 5,000 mile oil change.


pretty bad
Typical Repair Cost:
Average Mileage:
51,400 miles
Total Complaints:
5 complaints

Most Common Solutions:

  1. not sure (3 reports)
  2. replace cvt valve body (1 reports)
  3. replace transmission (1 reports)
2014 Subaru Forester transmission problems

transmission problem

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2014 Subaru Forester Owner Comments

problem #5

Jun 052018

Forester SI 2.5L

  • CVT transmission
  • 65,500 miles


Car had AT oil temp blinking, check engine, ABS, Vehicle Dynamics Control warning light, Hill start assist warning lights on as well. Auto Zone scanned the error codes and got P0700 and P2763.

The dealership fixed the problem by replacing the CVT valve body while under an extended warranty on the CVT transmission. I was given a new Forester loaner for the 11 days I was without my car.

- Bob F., Bantam, US

problem #4

Oct 312017

Forester Limited 25i

  • CVT transmission
  • 100,000 miles

Under heavier acceleration (the kind you need for a hill) the car would buck/jump terribly and fight getting up to speed. The first time I took it in I could not replicate the problem and subaru didn't do anything. The second time how ever the vehicle jumped with the subaru tech in the car. He proceeded to say Holy S*@# and subaru took car of the issue and covered a loaner while I waited for the repair. The transmission was on back order and too a while to get to the shop. Once it did the shop did the replacement right away and I had the vehicle the next day. I wish the problem didn't exist, but I can say Mid-Hudson Subaru did a great job fixing the issue.

- Adam B., Clintondale, US

problem #3

Jun 262017

Forester Touring 2.5L

  • CVT transmission
  • 68,000 miles

Purchased car new. First 30,000 miles car performed excellent. Started experiencing poor throttle response around 30,000 miles. Brought car to dealer and was told they could do nothing as vehicle was not producing any error codes. Tolerated problem until recently as problem is getting much worse. Vehicle now has 68,000 miles. Problem is much more severe and seems to be getting worse. Condition is worst when engine is cold but still detected at operating temperature. Car has been serviced by dealer. CVT fluid was changed at 60,000 miles as instructed by Subaru.

Update from Mar 17, 2019: 12/2018: Complained again about poor throttle response, hesitation, surging, bucking to dealer. They suggested to have the throttle body cleaned. I also had the 90,000 mile service inspection performed. The vehicle is much better, but not as good as the first 30,000 miles, but is tolerable now. It is disheartening that I had to endure 60,000 mile of poor performance. I am in the market for another car and I'm really having problems considering another Subaru. Unfortunately, I am running out of car manufactures to choose from that I trust.

- repair man, Oak Creek, US

problem #2

Mar 112014

Forester Premium 2.5L V4

  • CVT transmission
  • 10,400 miles

Have owned new Forester for 1 year, now at 10,400 miles. Ever since I drove it off the lot, the vehicle jumps/lurches when going from stop to start. It's worse going up hill. I brought it in within the first few months but the dealer said it's the CVT and that others have complained about the same problem. My co-worker owns a 2014 Forester as well and said hers does the same thing so I just accepted it and learned to deal with it. I'm just telling my story now because I've been driving more lately and it's been really annoying. I've adjusted my driving a bit but it just doesn't drive like a new/ 1 year old car should. My 2000 Camry was a much smoother ride. I wouldn't have made the investment in a new Forester if I knew I would constantly feel disappointed when I pull out of my driveway.

- Christine V., Quincy, MA, US

problem #1

Nov 152014

Forester Premium 2.5L

  • CVT transmission
  • 13,000 miles

My 14 Forester has a flat spot/bog upon light acceleration when cold. Worse when on an incline. As you try to accelerate past the flat spot/bog, the car lurches, studders, shakes and vibrates. Only happens when cold and much worse on an incline. Happens around 1,500 to 2,000 rpm. I suspect the CVT is the issue but my local dealer could not replicate the issue because it's always warm by the time I take it to them. Problem is getting worse but started when I bought it new. I now have apx 13,000 miles. Will keep trying to get it fixed but not too hopeful since it is intermittent and only happens when cold. Not a fan of CVT right now. Wish I had avoided this vehicle because of its CVT.

- mark67, San Diego, CA, US

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