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betmerick

August 12th, 2007 8:31 PM

Engine revs up on it's own

Just picked up a 2002 Cavalier (base model) for the kids (109k) Body is in good shape as well as the interior but miles are up there.

When it's idling, the tach moves from 60 to 1000, back and forth. I also feel it a bit when I'm driving. It wants to rev up on it's own. Is it a fuel regulator? It never stalls so I'm ruling out the filter and possibly the fuel pump.

Any thoughts??

The01Cav

August 14th, 2007 5:08 AM

RE: Engine revs up on it's own

I would look into a throttle position sensor.

StateSpace

November 25th, 2007 11:52 AM

RE: Engine revs up on it's own

Did you ever get this fixed?
I'm having a similar problem.

Aaron082307

November 26th, 2007 4:28 PM

RE: Engine revs up on it's own

try cleaning the throttle body with some intake cleaner, fuel filter can be a factor also

Naxcar

March 16th, 2008 12:38 PM

RE: Engine revs up on it's own

Does it only happen when the A/C compressor is on?

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