2021 Subaru Forester: hesitation when accelerating

5 of the 215 complaints about the 2021 Subaru Forester describe hesitation when accelerating.

owner complaints: 5
of this car's complaints: 2%
recalls: 0

Is there a fix? 32 service bulletins cover this area of the car. See below

Hesitation when accelerating by model year

2023
1
2022
2
2021
5
2020
3
2019
7
2018
5
2017
8
2016
5
2015
20
2014
8
2010
3
2007
1
2006
4
2005
1
2002
8
2001
5
2000
3
1999
2
1998
2

What owners say

Filed Oct 28, 2026 · Transmission · 66,902 miles · GA

The contact owns a 2021 Subaru Forester. The contact stated that while driving and accelerating from a stop, the vehicle started bucking and hesitating. The vehicle was taken to the local dealer to be diagnosed, and it was determined that the transmission control valve body was inoperable and needed to be replaced. The transmission control valve body was replaced and the vehicle was repaired. The manufacturer was notified of the failure and informed the contact that the repair was not covered under an extended warranty associated with the failure. The failure mileage was 66,902.

Filed Oct 31, 2025 · Electrical, Engine · GA

The vehicle has experienced four separate engine shutdowns while stopped in traffic. Each time, the engine turned off unexpectedly, requiring a manual restart. One incident occurred near a railroad crossing with my child in the car. The vehicle also lurches forward at low speeds and hesitates when accelerating after being stopped. These issues persist despite service visits. I believe they may relate to Technical Service Bulletins regarding the Auto Start/Stop and battery systems (TSBs #16-147-24, #10232217, #07-218-23R, #10251098). Subaru service staff have acknowledged awareness of these problems. I’m submitting this complaint to ensure the safety risk is documented and investigated.

Filed Feb 2, 2024 · Engine, Fuel system · MD

Once or twice a day my vehicle hesitates from a light and I have to almost floor it to get it going again.I have brought it to 2 different Subaru dealers 3 times and they say they can't fix the problem.

Filed Dec 30, 2022 · Transmission · 8,000 miles · NY · crash

The contact owns a 2021 Subaru Forester. The contact stated while shifting the vehicle into the drive gear, the vehicle accelerated at high speed without any warning and drove into the wall of her garage causing front damage to the vehicle. The contact stated that the vehicle hesitated to turn off. No one was injured. The vehicle was not diagnosed. The dealer was not contacted. The manufacturer was not notified of the failure. The failure mileage was 8,000.

Filed Jun 18, 2022 · Acceleration, Airbags · CT · crash

I was coming out of my garaged ( car was facing forward) . The car seemed to hesitate as I tapped the gas pedal. I thought maybe this was because the car sensed the sides of the garage via the rear view mirror sensors. I am always careful when exiting my garage so as not to ding the rearview mirrors. I repeatedly tapped the gas lightly about three times but the car hesitated each time and did not want to seem to move forward. One last time I tapped the gas and the car bolted out of the garage jumped the curb across the street at an unexpected rapid speed. I did not have my foot on the gas pedal. The car lunged forward , crossed the street and hit the garage door and frame of the house across the street for me doing structural damage. I believe this to be unintended acceleration for which other Subaru models have experienced problems. The air bags did not deploy. Please see similar accident for another example of this same scenario with the same make model and year as my vehicle: https: //www.google.com/amp/s/www.torque net.com/1084/subar-acceleration-lawsuit-update-forester-slams-garage/amp