running bad

1992 GMC SONOMA
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TATER71
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  • 1 POST
I have a 1992 gmc sonoma that runs rough when you put it in gear, any idea on what it could be
Nov 16, 2011 at 12:29 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DRCRANKNWRENCH
  • CAR REPAIR CONTRIBUTOR
  • 3,380 POSTS
It is probably the Idle Air Control Valve which changes the engine idle with engine load, such as loads from being in gear, accesories, etc.
The other thing to check would be the fuel pressure.
Nov 16, 2011 at 12:53 AM
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