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Accelerates on its own

Tiny
PAUL WOODY HAMMOND
  • MEMBER
  • 2009 VOLKSWAGEN GTI
  • 2.0L
  • 2WD
  • MANUAL
  • 121,000 MILES
When I am driving quite slow and take my foot off the accelerator the car seems to pick up speed a little bit on its own like it is revving itself. Do you know why this is?
Monday, July 23rd, 2018 AT 12:50 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I am Danny.

It sounds like you might be having a glitch in the APPS ( Accelerator Pedal Position Sensor). Most vehicles have a mechanical linkage that connects the gas pedal to the engine as a throttle, however your vehicle has an electrical circuit using the gas pedal as a potentiometer. This is called Drive-By-Wire. I am attaching a picture of it on your vehicle's gas pedal as a reference. Hope this helps and feel free to ask any other questions if needed. Thanks for using 2CarPros.
Danny-
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Monday, July 23rd, 2018 AT 1:36 AM

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