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weird idle problem

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Old Jun 15, 2011 | 03:58 PM
  #1  
99monguse's Avatar
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From: OHIO
Default weird idle problem

A couple weeks ago I went for a drive in my SS for about two hours. On my way home I noticed that the engine wouldn't slow like it should as I was stopped. I would be driving and begin slowing and eventually come to a stop with the clutch pedal in and then pull the shifter back into neutral but the tach would stay at about 1500rpm. Even with me blipping the throttle the idle wouldn't come down WTF? I finally pulled into a parking lot and shut it off for a few minutes and upon starting it back up the idle was back down to about 1000rpm, which seemed kinda high. Anyone else have this issue?
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Old Jun 15, 2011 | 04:37 PM
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From: Taxachusetts
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is the throttle body blade shutting all the way? is there any interference with the throttle body cable? when was the last time you cleaned the MAF?
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Old Jun 15, 2011 | 06:19 PM
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From: Chelsea, Michigan
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I have been having an idle issue for the longest time. Ever since I did my LS6 intake and LT's I have had the problem. It seems like its a vac leak but I have went through the whole PCV system, changed gaskets, cleaned the maf, did the "starter fluid" trick.

Nothing....
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Old Jun 15, 2011 | 06:34 PM
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i would start with checking the iac and maf. if not those then check the tps out.
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