2005 gmc, sieerra 1500 4.3

70

Asked by Jul 15, 2016 at 12:44 PM about the 2005 GMC Sierra 1500 Work Truck Standard Cab SB

Question type: Maintenance & Repair

have code p0351. starts and runs. not misfire.
replaced icm and coil. bty the coil has a 2 wire connector, not 3 wires.
where is the ground wire I hear about.

2 Answers

70,225

P0351 is definitely an electrical problem with coil #1. Sounds like you have the wrong coil. There should be a 3 wire male socket on the coil. Not 2. Maybe you have a boxed wrong defect. Take it back to the store and exchange it. But open the box of the replacement coil and make sure it has the correct socket. Check out the pictures of the coil on rockauto.com. HTH. -Jim

70

nope, I checked 16 times striped wiring harness. old coil has 3 prongs, knew coil has three prongs but.........pigtail connector has only 2 wires..

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