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P0306 Diagnostic Trouble Code Discussion for July 2009

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2004 Ford E-350 Super Duty 5.4L Hesitation, Misfire VIN: 1FDWE35L54
P0306: Fault Cylinder 6 Misfire Detected. ... tested vehicle and found it was missing, pinging, and had a lack of power. Retrieved codes, p0305, p0306, p0307, p0308, and a p0191 (fuel rail pressure sensor circuit open/short)and a p0174 (bank 2 lean). smoke tested and used...
July 03, 2009
1999 Mercedes-Benz S320 SWB 3.2L MIL Lamp on VIN: WDBGA32G8X
P0306: cylinder 6 misfire. ... and idling rough, we cleaned out a very dirty throttle body, and it ran perfect. a couple days later the check engine light came on for p0507 higher than expected idle. I cleared it because it idles at 750 rpm and 2,000 miles later it came on again for the...
July 06, 2009
2000 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GL22X2Y
P0306: Cylinder 6 Misfire Detected. I have a dodge dakota with a 3.9l it has a cylinder #6 misfire. We have checked for vacumm leaks, checked and switched spark plugs, injectors, and swapped plug wires. Also have removed the valve cover and checked the valve springs and checked for a cracked spr...
July 07, 2009
2000 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GL22X2Y
P0306: Cylinder 6 Misfire Detected. I have a dodge dakota with a 3.9l it has a cylinder #6 misfire. We have checked for vacumm leaks, checked and switched spark plugs, injectors, and swapped plug wires. Also have removed the valve cover and checked the valve springs and checked for a cracked spr...
July 08, 2009
2006 Jeep Liberty Limited 3.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GK58K96
P0306: Cylinder 6 Misfire Detected. ... misfiring. P0306 was found. Removed plug & coil to check and found plug gap at .020. Replaced #6 plug and coil and gapped all plugs. Misfire went away for 1100 miles before MIL came back with same code and misfire at idle. Seems to be smooth while runn...
July 09, 2009
1996 Chrysler Sebring JXi 2.5L Misfire, MIL Lamp on VIN: 3C3EL55H0T
P0306: Cylinder 6 Misfire Detected. i had a sebring came in with a stalling problem. checked out to be it was a crankshaft sensor. after i install a sensor in it and i went for a test drive while i was drivng car it start misfiring i brought back to a shop turn it of and start it after ten min r...
July 15, 2009
1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW
P0306: Cylinder 6 Misfire Detected. ... soon light on. Codes were p0300 and p0306. The plugs, wires, cap, rotor, were replaced. Checking misfire data on my scan tool afterwards cyl. 6 still would misfire when pick-up ran under 1000 rpm. We then replaced #6 fuel inj. and no change, also replaced ...
July 17, 2009
2001 Chrysler Sebring LXi 2.7L Stall, MIL Lamp on VIN: 1C3EL55U51
P0306: Cylinder 6 Misfire Detected. ... has been sitting for 4 months. When they try to drive it will stall. Also, the manifold will glow red and sparks are seen. Lower radiator hose and protective shield are damaged due to excessive heat. Customer came wanting front catalytic converter without ...
July 17, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0306: cyl no 6 misfire. ... was driving van 2 of the times when light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0306: cyl no 6 misfire. ... was driving van 2 of the times when light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
2006 Mercedes-Benz C230 Sport 2.5L Misfire VIN: WDBRF52H76
P0306: misfire cyl 6--replaced coil. has anyone seen this problem before? misfire started on 2/6--replaced coil #6 misfire moved to 2&3 replaced coils 2&3 only misfires on 2 electrical dictates a software issue--possibly drivers for ecm any suggestions
July 21, 2009
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X8T
P0306: cyl. 6 misfire. ... that has a light miss going on all the time. after vehicle has been sitting for awhile with no start. finally towed in for fuel pump n filter. truck started up but had a bad miss. found to #4 injector plugged, so it was replaced along with new plenum gaske...
July 24, 2009
2001 Mercedes-Benz CL600 5.8L Misfire VIN: WDPJ78581A
P0306: missing cyl nu 6 current and stored. using scanner found cyl nu 6 always misses when in drive under load less misses when in park it goes in shots of 6 to 7 missing at the time, i syspect coil pack right side but let me know if you have any other ideas, also some brocken vent hoses that are now r...
July 26, 2009
1998 Dodge Ram 1500 Truck 5.9L Misfire VIN: 1B7HF16Z1W
P0306: Cylinder 6 Misfire Detected. ... 1500 Ram with a intermittent misfire and stumble at idle. when misses throws P0306. Have done complete tune and replaced injector. Compression test tests out within specs. Customer wants to to change PCM. We are not sure. Could we have bad head or head gas...
July 29, 2009
2004 Ford E-350 Super Duty 5.4L Hesitation, Misfire VIN: 1FDWE35L54
P0306: Fault Cylinder 6 Misfire Detected. ... tested vehicle and found it was missing, pinging, and had a lack of power. Retrieved codes, p0305, p0306, p0307, p0308, and a p0191 (fuel rail pressure sensor circuit open/short)and a p0174 (bank 2 lean). smoke tested and used...
July 03, 2009
1999 Mercedes-Benz S320 SWB 3.2L MIL Lamp on VIN: WDBGA32G8X
P0306: cylinder 6 misfire. ... and idling rough, we cleaned out a very dirty throttle body, and it ran perfect. a couple days later the check engine light came on for p0507 higher than expected idle. I cleared it because it idles at 750 rpm and 2,000 miles later it came on again for the...
July 06, 2009
2000 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GL22X2Y
P0306: Cylinder 6 Misfire Detected. I have a dodge dakota with a 3.9l it has a cylinder #6 misfire. We have checked for vacumm leaks, checked and switched spark plugs, injectors, and swapped plug wires. Also have removed the valve cover and checked the valve springs and checked for a cracked spr...
July 07, 2009
2000 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GL22X2Y
P0306: Cylinder 6 Misfire Detected. I have a dodge dakota with a 3.9l it has a cylinder #6 misfire. We have checked for vacumm leaks, checked and switched spark plugs, injectors, and swapped plug wires. Also have removed the valve cover and checked the valve springs and checked for a cracked spr...
July 08, 2009
2006 Jeep Liberty Limited 3.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GK58K96
P0306: Cylinder 6 Misfire Detected. ... misfiring. P0306 was found. Removed plug & coil to check and found plug gap at .020. Replaced #6 plug and coil and gapped all plugs. Misfire went away for 1100 miles before MIL came back with same code and misfire at idle. Seems to be smooth while runn...
July 09, 2009
1996 Chrysler Sebring JXi 2.5L Misfire, MIL Lamp on VIN: 3C3EL55H0T
P0306: Cylinder 6 Misfire Detected. i had a sebring came in with a stalling problem. checked out to be it was a crankshaft sensor. after i install a sensor in it and i went for a test drive while i was drivng car it start misfiring i brought back to a shop turn it of and start it after ten min r...
July 15, 2009
1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW
P0306: Cylinder 6 Misfire Detected. ... soon light on. Codes were p0300 and p0306. The plugs, wires, cap, rotor, were replaced. Checking misfire data on my scan tool afterwards cyl. 6 still would misfire when pick-up ran under 1000 rpm. We then replaced #6 fuel inj. and no change, also replaced ...
July 17, 2009
2001 Chrysler Sebring LXi 2.7L Stall, MIL Lamp on VIN: 1C3EL55U51
P0306: Cylinder 6 Misfire Detected. ... has been sitting for 4 months. When they try to drive it will stall. Also, the manifold will glow red and sparks are seen. Lower radiator hose and protective shield are damaged due to excessive heat. Customer came wanting front catalytic converter without ...
July 17, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0306: cyl no 6 misfire. ... was driving van 2 of the times when light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0306: cyl no 6 misfire. ... was driving van 2 of the times when light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
2006 Mercedes-Benz C230 Sport 2.5L Misfire VIN: WDBRF52H76
P0306: misfire cyl 6--replaced coil. has anyone seen this problem before? misfire started on 2/6--replaced coil #6 misfire moved to 2&3 replaced coils 2&3 only misfires on 2 electrical dictates a software issue--possibly drivers for ecm any suggestions
July 21, 2009
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X8T
P0306: cyl. 6 misfire. ... that has a light miss going on all the time. after vehicle has been sitting for awhile with no start. finally towed in for fuel pump n filter. truck started up but had a bad miss. found to #4 injector plugged, so it was replaced along with new plenum gaske...
July 24, 2009
2001 Mercedes-Benz CL600 5.8L Misfire VIN: WDPJ78581A
P0306: missing cyl nu 6 current and stored. using scanner found cyl nu 6 always misses when in drive under load less misses when in park it goes in shots of 6 to 7 missing at the time, i syspect coil pack right side but let me know if you have any other ideas, also some brocken vent hoses that are now r...
July 26, 2009
1998 Dodge Ram 1500 Truck 5.9L Misfire VIN: 1B7HF16Z1W
P0306: Cylinder 6 Misfire Detected. ... 1500 Ram with a intermittent misfire and stumble at idle. when misses throws P0306. Have done complete tune and replaced injector. Compression test tests out within specs. Customer wants to to change PCM. We are not sure. Could we have bad head or head gas...
July 29, 2009