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Idling high...

  #1  
Old 12-15-2009, 02:15 PM
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Default Idling high...

So, my Stratus is idling (steady) at 2,000 RPM's in park and neutral. Then about 1,100 RPM's in drive and reverse. It's not the idle air control motor... My mechanic is on vacation and his employees can't figure it out. Ideas?

3.0 V6 Mitsu engine

Had a check engine light. He put a new IAC in and the check engine light went off but it's still idling high.
 

Last edited by Midnight SRT; 12-15-2009 at 02:23 PM.
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Old 12-15-2009, 02:35 PM
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I'm not real familiar with that V6, but do you have a rubber line headed into the TB controlling idle? Mine rotted off and was sucking in more air than it needed and the PCM picked it up as more throttle. Replaced that little section of line and reset the PCM and it was fixed.....

So I say Vacuum line leak somewhere.
 
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Old 12-15-2009, 02:48 PM
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guessing vac leak, as well.

When I remove the vacuum line from my throttle body on the celica to run some seafoam in it, it picks up about 500rpms to keep from stalling.
 
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Old 12-15-2009, 04:56 PM
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I was guessing vacuum leak too. Maybe a TPS, but I doubt it.
 
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Old 12-17-2009, 01:34 PM
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No vac leak.

Guess I'm taking it to the stealership.

Computer?
 

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