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

What could cause this?

Old Oct 2, 2009 | 07:42 PM
  #1  
henryz28's Avatar
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What could cause this?

When I tap the throttle in park the car will act like I hit the throttle twice. The car also has a hard to notice miss at Idle and at light throttle. I am going to try the fuel filter tomorrow; the car is drinking the gas, 9mpg on the streets and 20mpg on the highway. I don't have a problem with the highway mpg but I think my Idle and low end problem is causing the car to run rich and drink the gas. I do not notice a problem at highway speeds at about 2500rpms.

Last edited by henryz28; Oct 2, 2009 at 07:52 PM.
Old Oct 2, 2009 | 10:41 PM
  #2  
brianswimmer23's Avatar
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From: stockton ca!
could be your idle air control (IAC).


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