Question about 1989 Chevrolet Silverado 2500
The problem is somewhat intermitent,fromzero to 35mph the
engine surges.idle is constant surge.After 35mph the truck smooths
out and the problem goes away.
1989 chevy silverado 2500.
two wheel drive regular standard cab.
Thank you william parker
Try checking for vaccum leaks, use carb cleaner and spray it around the base of carb, vaccum hoses, edges of intake manifold, take pliers and squeeze the big line to brake power booster & see if it changes, pull the pcv valve out and cover with your finger see if it changes idle.
Posted on Dec 28, 2008
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