Mechanics

GMC C1500 ENGINE PROBLEM

1998 GMC C1500 • 150,000 miles

Runs bad when it rains out, did total tuneup including cap and rotor, still bad only when its damp or rains out
Avatar
Guest
April 1, 2013.




Try this. When it is dark out, open the hood, start the engine, and mist water on the ignition system to see if there are any shorts. Make sure to wear old clothes and protect your eyes.



AD