Mechanics

GMC TRUCK EGR VALVE PROBLEM

1990 GMC Truck • 100,000 miles

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.
Avatar
Guest
December 9, 2012.




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

Hmac300
Dec 9, 2012.


AD