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P0307 Diagnostic Trouble Code Discussion for October 2010

Cylinder 7 Misfire Detected

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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
1998 Ford Expedition XLT 5.4L Hesitation, Misfire, MIL Lamp on VIN: 1FMPU18L0W
P0307: . HELP, Never had one so hard to fix. Missing under slight load most of the time. Truck came from another shop in which they put new coils and plugs in it but still missed on cyl 7. They then put an injector on at cyl 7. Still misses so he brought to us. I swapp...
October 29, 2010