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P0306 Diagnostic Trouble Code Discussion for March 2014

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
P0306: Cylinder 6 Misfire Detected. This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I u...
March 07, 2014
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
P0306: Cylinder 6 Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u...
March 10, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 22, 2014
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
P0306: Cylinder 6 Misfire Detected. Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyl...
March 24, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 25, 2014
2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13
P0306: Cylinder 6 misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe...
March 31, 2014
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
P0306: Cylinder 6 Misfire Detected. This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I u...
March 07, 2014
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
P0306: Cylinder 6 Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u...
March 10, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 22, 2014
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
P0306: Cylinder 6 Misfire Detected. Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyl...
March 24, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 25, 2014
2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13
P0306: Cylinder 6 misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe...
March 31, 2014
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
P0306: Cylinder 6 Misfire Detected. This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I u...
March 07, 2014
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
P0306: Cylinder 6 Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u...
March 10, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 22, 2014
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
P0306: Cylinder 6 Misfire Detected. Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyl...
March 24, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 25, 2014
2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13
P0306: Cylinder 6 misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe...
March 31, 2014
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
P0306: Cylinder 6 Misfire Detected. This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I u...
March 07, 2014
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
P0306: Cylinder 6 Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u...
March 10, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 22, 2014
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
P0306: Cylinder 6 Misfire Detected. Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyl...
March 24, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 25, 2014
2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13
P0306: Cylinder 6 misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe...
March 31, 2014
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
P0306: Cylinder 6 Misfire Detected. This Jeep came in with a bad miss. My customer has already replaced the spark plugs-coil rail-crank sensor & ran sea foam through the intake.I thought it might have bad injectors so I replaced #1 & #6 injectors. I checked compression & it is ok.I u...
March 07, 2014
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
P0306: Cylinder 6 Misfire Detected. ... body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We let it cool down again it started u...
March 10, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 22, 2014
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
P0306: Cylinder 6 Misfire Detected. Engine misfires @ idle all 6 cylinders only cold, after 4-5 minutes, misfires are gone. STFT does not change drastically between cold & hot B11.1 B20.91,checked EGR command & lift 0%, we checked valve adjustment it had tight exhaust valve clearance cyl...
March 24, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19R0W
P0306: Cylinder 6 Misfire Detected. working on my personal truck at home,missfire at idle,driving seems fine,i have a good parts truck,changed plugs wires,cap,injector asy.,un hooked o2 sensors.compression is 140lbs,60-70 running,have injector pulse,now have a vacuum leak at top of intake around...
March 25, 2014
2003 Volkswagen Jetta GLX 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 3VWTH69M13
P0306: Cylinder 6 misfire. Came in running rough all the time, had a bad coil on cylinder 5. Also mad misfire codes for 2 and 6, but could confirm. Replaced all the plugs and 2,5,6 coils. Now it runs good down the road, but has a very rough idle in park and in gear. Maf is reading betwe...
March 31, 2014