Having problems with your 1994 GMC Sierra ?

I have a '94 sierra 5.7, I changed my spark plugs recently they weren't all in that great a shape, mainly just worn out. There is only one terminal (#2) on my distributor cap which was corroded bad when I changed it out, and the associated plug wire (#2) was rusted & corroded bad too. I'm going to guess everything on this truck are probably still factory parts. What would cause just the one cylinder's (#2) associated ignition parts to corrode so badly?

Posted / edited by AnonymousUser on : 17-09-2018

Answers :

OLD AGE AN MILEAGE,DID YOU REPLACE GAS FILTER,ALL PLUG WIRES.DIST ROTOR,YOU MUST OF HAD A MISS IN THE VEHICLE,AN PCV VALVE,CLEAN THROTTLE BODY OUT OF CARBON BUILD UP
Repair Help & Product Troubleshooting for 1994 GMC Sierra

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