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P0307 Diagnostic Trouble Code Discussion for April 2007

Cylinder 7 Misfire Detected

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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1GNEK13R5X
P0307: Cylinder 7 Misfire Detected. Performed complete tune up at 73,000 to solve engine miss, replace plugs, wires, cap, rotor, filters etc..., problem still exists and according to customer getting worse, have since had a MotorVac injection system cleaning done, no change, now at 81,000 we see...
April 27, 2007