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Reply To: 2007 silverado 6.0 running poorly when warmed up

January 29, 2024 at 7:43 am #798247
GM Fan
Participant

Also if you have an infrared thermometer, you can shoot each header tube to see the temps. If one is drastically different than the other than that would identify the problem cylinder (coil or injector), if not then again it’s probably the fuel pump

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