My 2004 gmc sierra 5.3 has no power! My engine light is on and I got a diagnostic done that said my knock sensor is bad. The light has been on for about 3 months but lately the truck is becoming more

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Asked by Mar 28, 2014 at 07:00 PM about the 2004 GMC Sierra 1500 4 Dr SLT 4WD Extended Cab LB

Question type: General

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