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P0307 Diagnostic Trouble Code Discussion for September 2007

Cylinder 7 Misfire Detected

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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
1995 Mercury Grand Marquis LS 4.6L Misfire VIN: 2MELM75WXS
P0307: Misfire 7. Greetings! Could use some direction on this one. Swapped coils, plugs, ignition wires, fuel injectors - no change. Unlike most ignition misfires, it seems worst under light throttle. No matter what I change, still cylinders 4 and 7. Have not pulled cam covers ...
September 18, 2007