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

Stumbling Issues

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Old Oct 6, 2009 | 01:08 PM
  #1  
kamon8404's Avatar
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Stumbling Issues

Well I just bought a 96 LT1 car and I'm having some issues with the car stumbling at a low rpm (1500) in 5th and 6th gear when crusing on the highway.

Car idles great at 1000.

I checked the plugs (look fine)
I changed the fuel filter
Ran seafoam through the motor
No SES light

It happens often when going up hill or light acceleration. Very similar to how a misfire might feel but i dont think thats the problem.
Old Oct 8, 2009 | 04:43 AM
  #2  
Guest47904's Avatar
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Pull and plug the EGR vac line.
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