JT8604

truck was having trouble starting from time to time. I then replaced distibutor with a used one. Problem solved, exept now i have a SES light, and OBD2 code says random cylinder misfire. Truck seems to be running fine, except its getting horrible fuel mileage. i have replaced cap, plugs, wires, rotor, spider injection system and injectors (about 5k miles ago). I'm lost lol. Anyone have any insight?? Thanks.


2000 C2500 classic - 350 vortec. 196000 miles.
cold air
TB spacer
high flow cats

mhotrodscooter

iTrader: (13)

Have you check the timing?

james8997

Hook up a tech 2 scanner and check the cam timing. It should be 0 plus or minus 2 , it can be off and not throw a code

JT8604

that was my next step. but it aint running rough at all. the truck gets up and goes good.

JT8604

yea ive been reading about the cam retard angle. seems like alot of people have had problems with that.