Throttle has a lag when depressing gas pedal (occasionally a dead petal symptom) research indicates a TSB T-SB-0166-10 exist that relates to this issue. Lack of Toyota dealer assistance with this issue when contacted (Toyota of Round Rock Texas 78664) This issues is a safety concern when operating vehicle due to lack of throttle response when accelerating into traffic. When issue occurs, vehicle "stalls" and creates a dangerous situation that eventually will result is an accident.
Engine & cooling
2017 Toyota 4RUNNER Engine problems
Owners have filed 2 complaints about the 2017 Toyota 4RUNNER's engine & cooling with NHTSA - 6% of all its complaints, most recently on March 19, 2025. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 2
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine complaints
Car stalled on the free way while driving . The dash board had a warning to check engine at dealer. The car was towed to the dealership (tansky sawmill, dublin oh). They reset the car and it was returned to us. According to dealership, diagnostics detected two error codes reported a) p0a0f, b) p3190 currently do not feel safe driving on the free way
Toyota 4RUNNER engine complaints by year
4RUNNER engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data