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P0306 Diagnostic Trouble Code Discussion for July 2008

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2003 Ford Escape XLT 3.0L Misfire VIN: 1FMYU93193
P0306: Misfire cyl 6. Hi folks I have this Escape with two dead cylinder, 4 and 6. I found one other post that had the same problem as I. to me, it sounded like the upper intake was leaking so I replaced the upper and lower intake gaskets. While I had the intake off I started the t...
July 15, 2008
2003 Ford Escape XLT 3.0L Misfire VIN: 1FMYU93193
P0306: Misfire cyl 6. Hi folks I have this Escape with two dead cylinder, 4 and 6. I found one other post that had the same problem as I. to me, it sounded like the upper intake was leaking so I replaced the upper and lower intake gaskets. While I had the intake off I started the t...
July 17, 2008
2003 Ford E-250 5.4L Poor Idle Quality, Misfire VIN: 1FTNE24L33
P0306: cyl 6 misfire pending. OK, guys, bear with me. This is going to be long, and I feel like it's going to be a no-brainer for you guys, but I seem to have lost my brain on this one. E250 van came in a few weeks back, multi-cyl misfires, rough idle. Over 100K, so I installed plugs and d...
July 17, 2008
2000 Mercedes-Benz ML430 4.3L Misfire, MIL Lamp on VIN: 4JGAB72E9Y
P0306: Misfire 6. This car started with just a slight misfire on accel and MIL light came on- it had 3 of the 4 codes listed above. We cleared the codes and road tested. #6 came back, we replaced plugs and wires on that cylinder and everything was fine. It came back missing wor...
July 18, 2008
2003 Ford E-250 5.4L Poor Idle Quality, Misfire VIN: 1FTNE24L33
P0306: cyl 6 misfire pending. OK, guys, bear with me. This is going to be long, and I feel like it's going to be a no-brainer for you guys, but I seem to have lost my brain on this one. E250 van came in a few weeks back, multi-cyl misfires, rough idle. Over 100K, so I installed plugs and d...
July 22, 2008
2001 Mercedes-Benz ML320 3.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 4JGAB54E41
P0306: Cylinder 6 Misfire. This ML320 has a rough idle and sometimes hesitation on acceleration from a stop . At cruise or WOT there are no problems and seems to have good power . Most times it has a notable miss / rough idle which varies in degree . The truck was supposedly sitting for...
July 26, 2008
2004 Chevrolet Silverado 1500 4.8L fuel fill problem VIN: 1GCEK14V24
P0306: Knock sensor. This vehicle came to me with the symptom of very hard to refill fuel tank. Customer states this has become bad over several weeks. Recommended from GM and installed revised canister purge solenoid and revised breather along with new charcoal canister. Customer...
July 29, 2008
2003 Ford Escape XLT 3.0L Misfire VIN: 1FMYU93193
P0306: Misfire cyl 6. Hi folks I have this Escape with two dead cylinder, 4 and 6. I found one other post that had the same problem as I. to me, it sounded like the upper intake was leaking so I replaced the upper and lower intake gaskets. While I had the intake off I started the t...
July 15, 2008
2003 Ford Escape XLT 3.0L Misfire VIN: 1FMYU93193
P0306: Misfire cyl 6. Hi folks I have this Escape with two dead cylinder, 4 and 6. I found one other post that had the same problem as I. to me, it sounded like the upper intake was leaking so I replaced the upper and lower intake gaskets. While I had the intake off I started the t...
July 17, 2008
2003 Ford E-250 5.4L Poor Idle Quality, Misfire VIN: 1FTNE24L33
P0306: cyl 6 misfire pending. OK, guys, bear with me. This is going to be long, and I feel like it's going to be a no-brainer for you guys, but I seem to have lost my brain on this one. E250 van came in a few weeks back, multi-cyl misfires, rough idle. Over 100K, so I installed plugs and d...
July 17, 2008
2000 Mercedes-Benz ML430 4.3L Misfire, MIL Lamp on VIN: 4JGAB72E9Y
P0306: Misfire 6. This car started with just a slight misfire on accel and MIL light came on- it had 3 of the 4 codes listed above. We cleared the codes and road tested. #6 came back, we replaced plugs and wires on that cylinder and everything was fine. It came back missing wor...
July 18, 2008
2003 Ford E-250 5.4L Poor Idle Quality, Misfire VIN: 1FTNE24L33
P0306: cyl 6 misfire pending. OK, guys, bear with me. This is going to be long, and I feel like it's going to be a no-brainer for you guys, but I seem to have lost my brain on this one. E250 van came in a few weeks back, multi-cyl misfires, rough idle. Over 100K, so I installed plugs and d...
July 22, 2008
2001 Mercedes-Benz ML320 3.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 4JGAB54E41
P0306: Cylinder 6 Misfire. This ML320 has a rough idle and sometimes hesitation on acceleration from a stop . At cruise or WOT there are no problems and seems to have good power . Most times it has a notable miss / rough idle which varies in degree . The truck was supposedly sitting for...
July 26, 2008
2004 Chevrolet Silverado 1500 4.8L fuel fill problem VIN: 1GCEK14V24
P0306: Knock sensor. This vehicle came to me with the symptom of very hard to refill fuel tank. Customer states this has become bad over several weeks. Recommended from GM and installed revised canister purge solenoid and revised breather along with new charcoal canister. Customer...
July 29, 2008