I had a similar problem with a K5 Blazer, where the gas pedal had a plastic pivot point in the linkage. After about 60K miles, the pivot developed a burr that locked the gas pedal open and kept the vehicle about 60 MPH. If I kicked the pedal to knock it off the burr, it would then slow down. Try it...
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
Your accelerator pedal is bad. The IVS (Idle Validation Switch) is
probably not shutting off, or the potentiometer in the pedal went bad.
Hopefully you do not have adjustable pedals as the pedal assy. can be expensive for those.
I know this might sound dumb, but it has happened to a lot of people - make sure your floor mat (not even a corner of it) isn't on top of the accelerator pedal. Even the slightest weight can cause the pedal to accelerate enough to be noticeable. Not dumb, it's a good answer. The floor mat can slip forward (and has) in two of our new vehicles when we were driving on the highway. It had worked its way off the anchors and slipped forward, causing the vehicles to accelerate. I put the gearshift in Neutral, pulled off the highway and that was the problem, both times. I don't think it was on top of the gas pedal, underneath, but still pressing or I guess, pulling the pedal down.
All of these are good answers, but if it's an automatic transmission, it might be normal provided the engine performance is ok. Auto trannies have a torque converter stall speed. I have a 96 Cadillac Fleetwood and it will move on its own.
Your noise sounds like it is power train related,If you have eliminated the engine,Since it doesn't make the noise while moving and in neutral. It sounds like a universal joint in the drive shaft.Do you notice a vibration along with the noise?