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Car going up to 1,500 revs on idle

Tiny
MIKE5584
  • MEMBER
  • 2009 PEUGEOT 308
  • 2.0L
  • TURBO
  • 2WD
  • MANUAL
  • 110,000 MILES
My vehicle listed above diesel keep going up to 1,500 revs on idle but when I apply the foot brake it decreases to normal idle, when I remove my foot it goes back up to 1,500 revs. Any help would be appreciated. Thanks
Wednesday, March 4th, 2020 AT 8:22 AM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Hello,

This sounds like you have a vacuum leak or a dirty through bore. these guides should help us fix the problem:

https://www.2carpros.com/articles/throttle-actuator-service

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run down these guides and report back.

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Saturday, March 7th, 2020 AT 12:56 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Also we should try to get the codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
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Monday, March 9th, 2020 AT 1:29 PM

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