High RPM

2004 FIAT
75,000 MILES • 1.6L • 2WD • MANUAL
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PETER MOUNEER MARZOUK
  • MEMBER
  • 1 POST
While the car is neutral the rpm rises to 3000 and never goes down. I turned off the car and turned it on, the rpm is 900, but when i accelerate to 4000 the rpm stops on 3000 again. what should i do?
Jul 23, 2017 at 11:46 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,844 POSTS
  • ASE Certified Mechanic
Hello,

It sounds like you have a throttle actuator that has gone bad or a large vacuum leak. Here are a couple of guides to help you see what's going on.

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

and

https://www.2carpros.com/articles/engine-idles-too-high

and you should scan for codes.

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

Please let us know what happens.

Cheers, Ken
Jul 24, 2017 at 2:52 PM
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