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P0306 Diagnostic Trouble Code Discussion for May 2011

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2001 Dodge Ram 1500 Truck 5.2L No Power VIN: 3B7HF13Y01
P0306: Cylinder 6 Misfire Detected. Please be patient, first post. Truck came in with no power driving. In park it runs decent. I loaded it up pretty good and got the 3 misfire codes above to happen but no codes occur while driving when truck is acting up. when you try to accelerate the truck bo...
May 10, 2011
1999 BMW Z3 M Coupe 3.2L Misfire VIN: WBSCM9332X
P0306: Misfire cyl 6. This car has a persistent misfire that I can't explain. The customer said he was getting on the freeway and it misfired some, then 4 miles down the road it dropped #6 cylinder for good. He swapped coils and plugs between #5,6 before bringing the car to us. Whe...
May 12, 2011
2005 Kia Sedona LX 3.5L MIL Lamp on VIN: KNDUP13265
P0306: Cylinder 6 Misfire Detected. ... of power. MIL was on, had Upstream O2 sensor code. Road test, un able to duplicate, replaced o2. Car came back 1 month ago. Same complaint. Lack of power. MIL on agian, This time TPS code. Replaced TPS. Road tested. No problems felt. Car is back again. S...
May 17, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0306: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 18, 2011
2000 Mercedes-Benz CLK320 3.2L Misfire VIN: WDBLK65G3Y
P0306: Cylinder 6 misfire. Hey guys I got this car in and it is driving me nuts. I think I did everything possible to try and cure the misfire but it just does not leave. What else can be the culprit? I did some google searching and found that carbon could be build up in the intake or o...
May 20, 2011
2000 Mercedes-Benz CLK320 3.2L Misfire VIN: WDBLK65G3Y
P0306: Cylinder 6 misfire. Hey guys I got this car in and it is driving me nuts. I think I did everything possible to try and cure the misfire but it just does not leave. What else can be the culprit? I did some google searching and found that carbon could be build up in the intake or o...
May 21, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0306: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 24, 2011
2000 Toyota Camry LE 3.0L Misfire, MIL Lamp on VIN: 4T1BF22K3Y
P0306: Cylinder 6 Misfire Detected. ... i feel that im just overlooking something. car came in with check engine light on, pulled codes and had p0306 and p0300. engine felt like it was running rough, so i cleared the codes and swapped the plug. did not follow. so i swapped the coil and it also d...
May 24, 2011
2005 Ford E-350 Super Duty 5.4L Misfire, MIL Lamp on VIN: 1FTSS34L95
P0306: Fault Cylinder 6 Misfire Detected. ... codes po300 - p0306,Upon checking history with fleet co. vehicle had never been tuned up and we confirmed O.E. plugs with 204K!! Replaced plugs and cylinder six coil. Vehicle returned to shop week later with only PO306 Code, driver stating vehicle misses o...
May 26, 2011
2003 Mazda Tribute LX 3.0L Misfire, MIL Lamp on VIN: 4F2CZ941X3
P0306: Cylinder 6 Misfire Detected. This vehicle sat for two weeks the customer drove car developed missfire. The missfire comes and goes. I used our lab scope to look at coils in the front of motor. The pattern looked the same on the three coils. Then we cleaned injectors and upper intake clear...
May 27, 2011
2001 Dodge Ram 1500 Truck 5.2L No Power VIN: 3B7HF13Y01
P0306: Cylinder 6 Misfire Detected. Please be patient, first post. Truck came in with no power driving. In park it runs decent. I loaded it up pretty good and got the 3 misfire codes above to happen but no codes occur while driving when truck is acting up. when you try to accelerate the truck bo...
May 10, 2011
1999 BMW Z3 M Coupe 3.2L Misfire VIN: WBSCM9332X
P0306: Misfire cyl 6. This car has a persistent misfire that I can't explain. The customer said he was getting on the freeway and it misfired some, then 4 miles down the road it dropped #6 cylinder for good. He swapped coils and plugs between #5,6 before bringing the car to us. Whe...
May 12, 2011
2005 Kia Sedona LX 3.5L MIL Lamp on VIN: KNDUP13265
P0306: Cylinder 6 Misfire Detected. ... of power. MIL was on, had Upstream O2 sensor code. Road test, un able to duplicate, replaced o2. Car came back 1 month ago. Same complaint. Lack of power. MIL on agian, This time TPS code. Replaced TPS. Road tested. No problems felt. Car is back again. S...
May 17, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0306: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 18, 2011
2000 Mercedes-Benz CLK320 3.2L Misfire VIN: WDBLK65G3Y
P0306: Cylinder 6 misfire. Hey guys I got this car in and it is driving me nuts. I think I did everything possible to try and cure the misfire but it just does not leave. What else can be the culprit? I did some google searching and found that carbon could be build up in the intake or o...
May 20, 2011
2000 Mercedes-Benz CLK320 3.2L Misfire VIN: WDBLK65G3Y
P0306: Cylinder 6 misfire. Hey guys I got this car in and it is driving me nuts. I think I did everything possible to try and cure the misfire but it just does not leave. What else can be the culprit? I did some google searching and found that carbon could be build up in the intake or o...
May 21, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0306: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 24, 2011
2000 Toyota Camry LE 3.0L Misfire, MIL Lamp on VIN: 4T1BF22K3Y
P0306: Cylinder 6 Misfire Detected. ... i feel that im just overlooking something. car came in with check engine light on, pulled codes and had p0306 and p0300. engine felt like it was running rough, so i cleared the codes and swapped the plug. did not follow. so i swapped the coil and it also d...
May 24, 2011
2005 Ford E-350 Super Duty 5.4L Misfire, MIL Lamp on VIN: 1FTSS34L95
P0306: Fault Cylinder 6 Misfire Detected. ... codes po300 - p0306,Upon checking history with fleet co. vehicle had never been tuned up and we confirmed O.E. plugs with 204K!! Replaced plugs and cylinder six coil. Vehicle returned to shop week later with only PO306 Code, driver stating vehicle misses o...
May 26, 2011
2003 Mazda Tribute LX 3.0L Misfire, MIL Lamp on VIN: 4F2CZ941X3
P0306: Cylinder 6 Misfire Detected. This vehicle sat for two weeks the customer drove car developed missfire. The missfire comes and goes. I used our lab scope to look at coils in the front of motor. The pattern looked the same on the three coils. Then we cleaned injectors and upper intake clear...
May 27, 2011