LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

starts but no idle

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Old Jul 3, 2005 | 10:06 PM
  #1  
tkiely05's Avatar
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starts but no idle

finished the heads/ cam swap but when i started it the only way it would start is if i give it gas and it wont stay running without me giving it gas. any ideas why its acting up. i know the timing is good. i dont know what else could cause this.

Last edited by tkiely05; Jul 3, 2005 at 10:09 PM.
Old Jul 3, 2005 | 10:43 PM
  #2  
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Re: starts but no idle

anybody? i need some help please. im running low on ideas.
Old Jul 3, 2005 | 10:57 PM
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Re: starts but no idle

The first thing to do is make sure you did not leave anything unplugged or hoses off. Did you get a computer re-program? Maybe some more details about your setup would help.
Old Jul 3, 2005 | 11:06 PM
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Re: starts but no idle

ok, put in a cam and ported heads. i had my computer tuned by madz28. i had him delete the egr and air pump. i cant find any hoses that i may have missed.
Old Jul 3, 2005 | 11:25 PM
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Re: starts but no idle

Originally Posted by tkiely05
ok, put in a cam and ported heads. i had my computer tuned by madz28. i had him delete the egr and air pump. i cant find any hoses that i may have missed.

LOL. It sounds like the all to common too tight lash (rocker arms) problem. Many of us have been there. Set the valve lash again.


Many here know and have heard the symptons many times especially after a cam install . Especially if its a first one. Car won't start or stay running unless you step on the pedal, and your throttle response is probably terrible.

Anyways, thats likely your problem.
Old Jul 4, 2005 | 11:01 AM
  #6  
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Re: starts but no idle

thanks rpm280 ill try that.
Old Jul 4, 2005 | 11:20 AM
  #7  
ZMAN Z28's Avatar
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Re: starts but no idle

Try resetting the IAC.

Z
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