C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Feb 1, 2004 | 10:39 PM
  #1  
PMARTINEZ92126's Avatar
PMARTINEZ92126
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Racer
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From: SAN DIEGO CA
Default IAC

Would a bad or out of tune IAC cause problems with starting the car after its fully warmed up. When its cold it turns on after the first turn. When its hot I have to give it a little gas and hold the pedal down for a sec so the car doesnt stumble. Sometimes i have to crank it for a couple of minutes to get it started. Its a 1986, 383 stroker tpi corvette.
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Old Feb 1, 2004 | 11:07 PM
  #2  
SunCr's Avatar
SunCr
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From: San Diego, Ca
Default Re: IAC (PMARTINEZ92126)

Offhand, no - IAC controls idle by controlling the flow of air; what you describe is typically fuel - faulty or worn injectors or incorrect injectors for application considering it's a 383.
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Old Feb 1, 2004 | 11:30 PM
  #3  
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vinnies87
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St. Jude '03-'04-'05-'06-'07
Default Re: IAC (PMARTINEZ92126)

Not likely.....
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Old Feb 1, 2004 | 11:49 PM
  #4  
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JAKE
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From: Kempner Texas
Default Re: IAC (PMARTINEZ92126)

I'll bet the start program in your PROM needs tweaking now that the engine is a 383.

Jake
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