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P0307 Diagnostic Trouble Code Discussion for October 2007

Cylinder 7 Misfire Detected


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Trouble Ticket Help Requests for DTC P0307
Help Request Posted
2005 Nissan Altima S 2.5L Poor Idle Quality, MIL Lamp on VIN: 1N4AL11D15
P0307: high idle speed. My son cleaned the throttle plate on this 2005 Altima with some 2+2 carb. cleaner sprayed on a shop rag and wiped out the throttle body and plate.Since then when starting the car it idles at around 1700 rpm in park warm and 2200 rpm in park cold.No tsbs found....
October 11, 2007
2004 Chevrolet Suburban 1500 LS 5.3L Misfire VIN: 3GNFK16Z74
P0307: Cyl. 7 misfire. Hi Chevy Techs, I have been helping another shop on this Suburban and there is another vehicle at another shop doing the same thing. Number seven cylinder has a misfire at idle. When you raise the rpm's to around 1500, the misfire goes away. If you go above 1...
October 16, 2007
2004 Chevrolet Suburban 1500 LS 5.3L Misfire VIN: 3GNFK16Z74
P0307: Cyl. 7 misfire. Hi Chevy Techs, I have been helping another shop on this Suburban and there is another vehicle at another shop doing the same thing. Number seven cylinder has a misfire at idle. When you raise the rpm's to around 1500, the misfire goes away. If you go above 1...
October 17, 2007
2001 Lincoln LS 3.9L Misfire VIN: 1LNHM87A41
P0307: engine misfire 7 cylinder. hello techs, we have this continous misfire on # 7 cyl. changed coil, spark plug , has spark all the time when running. original plug was clean . good compression , clean injectors. this will always seem like a hard misfire when raised rpms over 2000. the warm...
October 26, 2007
2003 Audi A6 Quattro 4.2L Excessive Emissions, Misfire, MIL Lamp on VIN: WAUML64B13
P0307: misfire cylinder 5. Customer previously had the Audi to another shop. They installed 8 new coils and an air mass meter,-genuine Audi parts. The Audi will idle steady and not misfire. While watching the misfire counter on the vag scanner you can see misfires in all 8 cylinders whe...
October 29, 2007
1997 Dodge B2500 5.2L Misfire, MIL Lamp on VIN: 2B6HB21Y7V
P0307: Cylinder 7 Misfire Detected. this van will set a misfire code for cylinder 7 at idle only, have swapped injectors with 5 and the miss stays with 7. Tested compression both cranking and running 5 and 7 checked the same. Plugged the PCV port and vent, do not detect any vacuum build up in cr...
October 31, 2007
2005 Nissan Altima S 2.5L Poor Idle Quality, MIL Lamp on VIN: 1N4AL11D15
P0307: high idle speed. My son cleaned the throttle plate on this 2005 Altima with some 2+2 carb. cleaner sprayed on a shop rag and wiped out the throttle body and plate.Since then when starting the car it idles at around 1700 rpm in park warm and 2200 rpm in park cold.No tsbs found....
October 11, 2007
2004 Chevrolet Suburban 1500 LS 5.3L Misfire VIN: 3GNFK16Z74
P0307: Cyl. 7 misfire. Hi Chevy Techs, I have been helping another shop on this Suburban and there is another vehicle at another shop doing the same thing. Number seven cylinder has a misfire at idle. When you raise the rpm's to around 1500, the misfire goes away. If you go above 1...
October 16, 2007
2004 Chevrolet Suburban 1500 LS 5.3L Misfire VIN: 3GNFK16Z74
P0307: Cyl. 7 misfire. Hi Chevy Techs, I have been helping another shop on this Suburban and there is another vehicle at another shop doing the same thing. Number seven cylinder has a misfire at idle. When you raise the rpm's to around 1500, the misfire goes away. If you go above 1...
October 17, 2007
2001 Lincoln LS 3.9L Misfire VIN: 1LNHM87A41
P0307: engine misfire 7 cylinder. hello techs, we have this continous misfire on # 7 cyl. changed coil, spark plug , has spark all the time when running. original plug was clean . good compression , clean injectors. this will always seem like a hard misfire when raised rpms over 2000. the warm...
October 26, 2007
2003 Audi A6 Quattro 4.2L Excessive Emissions, Misfire, MIL Lamp on VIN: WAUML64B13
P0307: misfire cylinder 5. Customer previously had the Audi to another shop. They installed 8 new coils and an air mass meter,-genuine Audi parts. The Audi will idle steady and not misfire. While watching the misfire counter on the vag scanner you can see misfires in all 8 cylinders whe...
October 29, 2007
1997 Dodge B2500 5.2L Misfire, MIL Lamp on VIN: 2B6HB21Y7V
P0307: Cylinder 7 Misfire Detected. this van will set a misfire code for cylinder 7 at idle only, have swapped injectors with 5 and the miss stays with 7. Tested compression both cranking and running 5 and 7 checked the same. Plugged the PCV port and vent, do not detect any vacuum build up in cr...
October 31, 2007