ROUGH RUNNING...

GMC

Tiny

Quig

February, 24, 2007 AT 6:29 PM

I have a 1990 Serria, two wheel drive, with a 305 motor and it runs well on the highway but terribly at a light or slowly into my driveway. Changed the plugs, the wires are good, changed the fuel filter, sprayed carb cleaner. I'm running out of ideas.

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

CHEVYII

February, 24, 2007 AT 6:58 PM

Have you checked the iac yet iyt is located on the side of the throttle body, that bugger may be your problem, is the check eng light on?
Let me know

jim

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