Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: how can I trouble shoot the coil pack and the electric going to the coil pack. on 2003 Chevrolet Express 3500

Meaning how could I check the wiring harness.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
No fire at all on any cylinder? If only one cyl. misfire, swap that coil with another one to see if misfire follows coil.
Didn't find what you were looking for?