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P0307 Diagnostic Trouble Code Discussion for August 2008

Cylinder 7 Misfire Detected

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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 1GCEK19R9W
P0307: Cylinder 7 Misfire Detected. hey guys, this is actually on two vehicles I am pulling out my hair. a random misfire keeps appearing. truck sits until cold and startup is smooth. run it for 5 miles and get it hot. let sit for 1-2 hours and starts up with a misfire. the misfire monitor show...
August 14, 2008
2005 Ford E-250 5.4L Misfire, MIL Lamp on VIN: 1FTNS24L95
P0307: miss cyl 7. ... p0305.replaced plugs , boots and coil on cyl # 5.ran good when left.came back next day with same code and egr tube hose off.replaced hose and cleared code.came back next day with hose off again and codes p0305 and p0307.need ...
August 28, 2008