2007 Tahoe Cylinder 1 misfire

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Edgar

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Mar 11, 2016
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Hey guy I have a 2007 Tahoe

Cylinder 1 misfiring I have change out spark plugs and wires and coil and fuel injector how can I fix it
 

NGAneer

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Have you checked to make sure the #1 plug is actually firing? Possibly something in the wiring harness.
 
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