I HAVE A 4

1990 GMC Truck

Tiny

Anonymous

December, 9, 2012 AT 2:43 PM

Hi I have a 4.3 small truck and the motor races when started I changed the carb base gasket, carb idel up sol, computer temp sender, even blocked the egr valve any ides.

FOUND 65 RELATED QUESTIONS

1 Answer

Tiny

hmac300

December, 9, 2012 AT 3:58 PM

Scan for codes and check fuel pressure first. Check for a vacuum leak

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