Accelerator increases without pressing the gas pedal

Tiny
SMILLYBIFF
  • MEMBER
  • 2000 BMW Z3
  • 1.8L
  • RWD
  • MANUAL
  • 130,000 MILES
Twice now whilst driving at the speed limit I have felt the car increase in speed. I have taken my foot off the accelerator and it continues to speed up. I took it out of gear and the rpms went to 6000. Because of the road I was on I could not pull over immediately so had to constantly brake to keep the car under control. After ninety seconds I gained full control of the car. Whilst all of this was happening I was pulsing on the accelerator incase it was a sticky pedal/cable. But since reading forums I understand this could be a bigger/costlier issue than some WD40.
Thursday, January 5th, 2017 AT 5:08 AM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Defiantly a very dangerous situation to find your self in, I can't see anything in the TSB for your problem, it sounds as if it is cruise control or engine management problems, this should be sent to a dealer ASAP for a scan and report.
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Saturday, January 7th, 2017 AT 11:00 PM
Tiny
SMILLYBIFF
  • MEMBER
  • 2 POSTS
Thanks for the reply. I forgot to add that the car doesn't have cruise control. However I did find the accelerator cable at the engine end was very slack at its fixed point. So when I put the foot down it took up tension but when I released it didnt always reset itself. I have since tightened up and Im monitoring the situation.

Thanks again
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Sunday, January 8th, 2017 AT 8:27 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Ok, but be careful, something like that can be dangerous, I would still call a dealer to see if they have had this problem presented before.
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Sunday, January 8th, 2017 AT 12:52 PM

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