Truck want run with spark plug wire plugged up

Asked by Nov 19, 2017 at 08:31 PM about the 1996 Chevrolet C/K 1500

Question type: Maintenance & Repair

96 chevy truck cut off on me headed home and
would not start. Took it to a shop and mechance
said blow head gasket and that I need another
motor.  Towe'd it home and unplugged #3 spark
plug and it started. Tried to plug wire back up and
it dies. What is the problem?

11 Answers

10

What was it

1 people found this helpful.

Dis cap

Still want run. I changed distributor cap and rotor. Then changed whole distributor. Changed ignition coil and module. And all this with a different engine. I was told to try the ecu next.

10

Did you figure it out i have the exact problem with mines

10

I unplug spark plug wire #3 and turns in no problem but when i plug it back in it dies whole new distributer and coul and control moduel and crank and camshaft sensors but still no luck

1 people found this helpful.
20

Did either of yall have any luck? 96 suburban EXACT same issue. Will only run with cylinder 3 plug wire unpluged. Plug that one in and it kills the truck instantly like I turned the key off. Died out of random while driving. Been scratching my head for months and finally found this one and only forum where others have had the issue.

2 people found this helpful.

Not an answer, couldn’t figure out how to reply. I have the same problem, just curious, are you using AC Delco cap and rotor. I bought the cheap one, was thinking maybe it was the problem

Did anyone solve this problem

10

I have a 97 chevy 5.0l same problem trucks runs like a beauty with out spark plug 3 unplugged, new dist, spark plug wires crankshaft sensor camshafts sensor any solutions?

1 people found this helpful.
10

I have the same problem, I'm thinking there is a busted head or head gasket. Witch is causing compression either from #1 or #5? To bleed to the # 3 plug causing this to happen..will check compression tomorrow?

10

Update...its the distributor cap. #3 inside of cap runs right by the center button and burnt a hole thru to the coil ...replace cap good to go.

1 people found this helpful.

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