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P0307 Diagnostic Trouble Code Discussion for December 2010

Cylinder 7 Misfire Detected


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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
2005 Ford Expedition XLT 5.4L Misfire VIN: 1FMFU20545
P0307: Misfire - cylinder 7. The vehicle acts up under the same circumstances. About 5 minutes after cold start the engine starts to misfire. On the ngs it shows cylinders 2, 5, 6 and 7 misfiring. I have checked cranking compression on 7 and 5 and both were about 200 psi. Did a cylinder l...
December 20, 2010
2004 Ford F-150 FX4 5.4L Surge, Stall, Misfire VIN: 1FTPW14564
P0307: cyl 7. ... with a P0305 only. no problem was noticed while driving under average conditions. I "hydroscoped" the boots and found nothing. So i SWAG'ed it with #5 coil and all the boots. Cleared code, redrove and called customer. He said it only misses while ...
December 21, 2010
2005 Ford Expedition XLT 5.4L Misfire VIN: 1FMFU20545
P0307: Misfire - cylinder 7. The vehicle acts up under the same circumstances. About 5 minutes after cold start the engine starts to misfire. On the ngs it shows cylinders 2, 5, 6 and 7 misfiring. I have checked cranking compression on 7 and 5 and both were about 200 psi. Did a cylinder l...
December 21, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0307: misfire 7. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 21, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0307: misfire 7. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 23, 2010
2004 Ford F-150 FX4 5.4L Surge, Stall, Misfire VIN: 1FTPW14564
P0307: cyl 7. ... with a P0305 only. no problem was noticed while driving under average conditions. I "hydroscoped" the boots and found nothing. So i SWAG'ed it with #5 coil and all the boots. Cleared code, redrove and called customer. He said it only misses while ...
December 28, 2010
2005 Ford Expedition XLT 5.4L Misfire VIN: 1FMFU20545
P0307: Misfire - cylinder 7. The vehicle acts up under the same circumstances. About 5 minutes after cold start the engine starts to misfire. On the ngs it shows cylinders 2, 5, 6 and 7 misfiring. I have checked cranking compression on 7 and 5 and both were about 200 psi. Did a cylinder l...
December 20, 2010
2004 Ford F-150 FX4 5.4L Surge, Stall, Misfire VIN: 1FTPW14564
P0307: cyl 7. ... with a P0305 only. no problem was noticed while driving under average conditions. I "hydroscoped" the boots and found nothing. So i SWAG'ed it with #5 coil and all the boots. Cleared code, redrove and called customer. He said it only misses while ...
December 21, 2010
2005 Ford Expedition XLT 5.4L Misfire VIN: 1FMFU20545
P0307: Misfire - cylinder 7. The vehicle acts up under the same circumstances. About 5 minutes after cold start the engine starts to misfire. On the ngs it shows cylinders 2, 5, 6 and 7 misfiring. I have checked cranking compression on 7 and 5 and both were about 200 psi. Did a cylinder l...
December 21, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0307: misfire 7. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 21, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0307: misfire 7. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 23, 2010
2004 Ford F-150 FX4 5.4L Surge, Stall, Misfire VIN: 1FTPW14564
P0307: cyl 7. ... with a P0305 only. no problem was noticed while driving under average conditions. I "hydroscoped" the boots and found nothing. So i SWAG'ed it with #5 coil and all the boots. Cleared code, redrove and called customer. He said it only misses while ...
December 28, 2010