Misfire #6 cylinder

Asked by Dwan Oct 23, 2020 at 07:17 PM about the 2007 Chevrolet Silverado 1500 1LT Extended Cab 4WD

Question type: Maintenance & Repair

Have misfire cylinder 6. Have replaced plugs,  wires, coils,
injectors, and even swapped them all around with cylinder
4 still got cylinder 6 misfire out of ideas anything anyone
can suggest?

Also checked compression just incase anyone thinks that.
All is good can't figure why it is misfire.
Any suggestions

1 Answer
620

exCompaqr answered 3 years ago

Check for proper signal to the coil and that it is and NOT erratic. The wiring harness or wire to that cylinder coil may have a problem. Sometimes moving that harness somewhat can have an effect. Leave the engine cover off the engine for a while while driving it.

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