i did a tune up on my jimmy. put new plugs wires and cap truck is running rough.
Check the wires its easy to accidentally cross them
ok thanks ill try it.
john any chance can send the wiring diagram?
I'm assuming its a 4.3L The numbers represent the cylinders on each side Passengers side. Driver side 6 5 4. 3 2. 1 Front The distributor being looked at from the front going in a clockwise rotation is numbered 165432 4 5 3 6 2 1
sorry to bother you john. heres my e-mail add. email@example.com. thanks again.
So glad hitting enter didn't paragraph the stuff give me about 20 mins gotta find thebook with the pic
the 4.3's can be picky with plugs. Best with ACDelco. Did you gap the plugs?
Also try resetting the ecm by either pulling the ECM fuse or disconnecting the battery for 15 mins . Then once hooked back up the ECM will re-adjust the timing etc. according to the new parts performance.
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