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P0306 Diagnostic Trouble Code Discussion for February 2014

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
1998 Honda Accord LX 3.0L Misfire, MIL Lamp on VIN: 1HGCG1625W
P0306: Cylinder 6 Misfire Detected. note the pressure readings are at altitude over 6000 feet. with ignition scope on while loaded and miss-firing there is turbulance and a shortened burn time. #3 cyl is consistant,#6 cyl is not so much. the intake is clean and the egr passage ok and the egr val...
February 03, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 10, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 11, 2014
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
P0306: missfire cylinder 6. Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co...
February 27, 2014
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
P0306: cylinder 6 misfire. This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu...
February 27, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 10, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 11, 2014
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
P0306: missfire cylinder 6. Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co...
February 27, 2014
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
P0306: cylinder 6 misfire. This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu...
February 27, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 10, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 11, 2014
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
P0306: missfire cylinder 6. Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co...
February 27, 2014
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
P0306: cylinder 6 misfire. This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu...
February 27, 2014
1998 Honda Accord LX 3.0L Misfire, MIL Lamp on VIN: 1HGCG1625W
P0306: Cylinder 6 Misfire Detected. note the pressure readings are at altitude over 6000 feet. with ignition scope on while loaded and miss-firing there is turbulance and a shortened burn time. #3 cyl is consistant,#6 cyl is not so much. the intake is clean and the egr passage ok and the egr val...
February 03, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 10, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 11, 2014
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
P0306: missfire cylinder 6. Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co...
February 27, 2014
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
P0306: cylinder 6 misfire. This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu...
February 27, 2014
1998 Honda Accord LX 3.0L Misfire, MIL Lamp on VIN: 1HGCG1625W
P0306: Cylinder 6 Misfire Detected. note the pressure readings are at altitude over 6000 feet. with ignition scope on while loaded and miss-firing there is turbulance and a shortened burn time. #3 cyl is consistant,#6 cyl is not so much. the intake is clean and the egr passage ok and the egr val...
February 03, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 10, 2014
1999 Mazda B4000 SE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4ZR17X6X
P0306: Cylinder 6 Misfire Detected. First, all data readings are at idle. Symptom is intermittent and will happen at idle and/or cruising. Customer complained of always running rough while cold, and now it runs rough with no power intermittently hot along with the rough cold idle. Related histor...
February 11, 2014
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
P0306: missfire cylinder 6. Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co...
February 27, 2014
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
P0306: cylinder 6 misfire. This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu...
February 27, 2014