3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

91 z28 305 tpi big probs help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!

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Old Oct 31, 2012 | 09:24 PM
  #1  
matts91z28's Avatar
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Angry 91 z28 305 tpi big probs help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!

I have '91 Z28 Camaro. 305 TPI, fuel injection. I bought this car a week ago. Here's my problem, it will not cold start on it's on you have to pat the gas pedal, it idles from 1500-1900, if you go full throttle and let off the car will start to shutter and shake then the motor shuts off. I have replaced the throttle position sensor. ok now the car will not idle at all can keep car running if i hold the gas help

Last edited by matts91z28; Oct 31, 2012 at 10:14 PM.
Old Nov 6, 2012 | 09:21 AM
  #2  
antoine's Avatar
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From: Richmond,ca
Re: 91 z28 305 tpi big probs help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I would ohm test the fuel injectors& check how much fuel pressure you have
Old Jan 13, 2013 | 08:22 AM
  #3  
purplehaze92z28's Avatar
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From: Memphis, TN
Re: 91 z28 305 tpi big probs help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

It could be a bad IAC as well. Have you checked or replaced it?
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