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P0307 Diagnostic Trouble Code Discussion for February 2008

Cylinder 7 Misfire Detected

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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
1996 Lincoln Town Car 4.6L Misfire VIN: 1LNVM82H4T
P0307: cyl 7 missfire. Cyl missfire,check for spark on all cyl very good. Check for injector pulse all good exceot for cyl # 4 & 7 check for power @ injectors red wire ck good. loose negative pulse from PCM. Preform Pinout Test of PCM & Power and grounds ck good even under e...
February 07, 2008
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Misfire VIN: 3GNFK16R2X
P0307: Cylinder 7 Misfire Detected. I am pulling my hair out. Customer said another shop installed an dist. to fix a no start conditon, since then, the vechicle has a rough run and misfires on 3 and 5. I installed a fuel pump to cure the lean missfire on 3 and 5, then the miss moved to 6 and 7,...
February 26, 2008