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

Car Hesitates under Light Throttle for 1st 5 mins...What's Wrong?

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Old Jul 11, 2005 | 07:48 PM
  #1  
U Can't Z Me's Avatar
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Joined: Oct 1999
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From: Elburn, IL
Car Hesitates under Light Throttle for 1st 5 mins...What's Wrong?

Hey Guys,

For about the last 2 weeks my car has been acting a little funny.

For about the first 5 minutes that I drive the car after I start it (so basically just until it gets warm) the car will act funny with Light Throttle. If I accelerate slowly the car will begin to hesitate and not want to rev, but if you give it more gass it will go back to normal after a second. If you give the car 50% + throttle it will act fine. It just does this under light throttle for about the first 5 minutes that I drive it. After that it drives 100% fine.

What might it be? Ignition? TPS? Something else? I am a little lost where to look.

Let me know what you think.

Thanks,
Eric
Old Jul 11, 2005 | 07:51 PM
  #2  
AdamZ1LE28's Avatar
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Joined: Jan 2004
Posts: 369
From: Central Massachusetts
Re: Car Hesitates under Light Throttle for 1st 5 mins...What's Wrong?

I think your problem is the same as mine. I just posted about this a couple hours ago and I'm still not sure whats wrong with it. My post if just a couple below yours, so be sure to let me know if you figure out the problem.
Old Jul 11, 2005 | 09:58 PM
  #3  
blade88's Avatar
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Joined: Jun 2005
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Re: Car Hesitates under Light Throttle for 1st 5 mins...What's Wrong?

fuel pump maby run a fuel pressure check
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