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Car having (possibly) serious issue.

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Old Jan 30, 2015 | 04:20 PM
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Xfireshifting's Avatar
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From: Fort Worth, TX
Default Car having (possibly) serious issue.

When my 05 crossfire NA warms up, there's a rough idle.

The engine makes almost confused noises as the revs jump up and down when in neutral.

The Rpms won't drop down below 3,000 sometimes for about 30-45 sec.
There's a slight hissing noise coming from somewhere under my hood.
All that said, car still drives smooth.
 
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Old Jan 31, 2015 | 10:04 AM
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PNA's Avatar
PNA
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From: Maryland (Central)
Default Re: Car having (possibly)serious issue.

Originally Posted by Xfireshifting
When my 05 crossfire NA warms up, there's a rough idle.

The engine makes almost confused noises as the revs jump up and down when in neutral.

The Rpms won't drop down below 3,000 sometimes for about 30-45 sec.
There's a slight hissing noise coming from somewhere under my hood.
All that said, car still drives smooth.
Could be a number of things, of course. Could be as simple as a vacumn line disconnected or with a leak. Check all the hoses for attachment / detatchment and or leaks.
 
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Old Jan 31, 2015 | 01:59 PM
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whoosh's Avatar
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From: Wisconsin
Default Re: Car having (possibly)serious issue.

Any codes?
 
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