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P0306 Diagnostic Trouble Code Discussion for April 2013

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2002 Ford F-150 King Ranch 5.4L Misfire VIN: 1FTRW08L52
P0306: Misfire cyl 6. Truck came in 1 week ago with cyl #6 misfire, we swapped coils 1 & 6. Miss did not follow coil. We installed new m/c coil on cyl#1 & put new plug in cyl#6. Truck ran fine & customer left. Why miss did not follow i do not know? truck came back a wee...
April 03, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0306: Cylinder 6 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 16, 2013
2003 Audi Allroad Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YD64B93
P0306: cyl 6 misfire. This audi came in a few months back with collided valves into pistons destroying the bottom end, we installed a used low mileage long block engine into it and It ran fine for a few days but noted when fully accelerated to the floor WOT under maximum boost and ...
April 17, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0306: Cylinder 6 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0306: Cylinder 6 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 20, 2013
2002 Ford F-150 King Ranch 5.4L Misfire VIN: 1FTRW08L52
P0306: Misfire cyl 6. Truck came in 1 week ago with cyl #6 misfire, we swapped coils 1 & 6. Miss did not follow coil. We installed new m/c coil on cyl#1 & put new plug in cyl#6. Truck ran fine & customer left. Why miss did not follow i do not know? truck came back a wee...
April 03, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0306: Cylinder 6 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 16, 2013
2003 Audi Allroad Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YD64B93
P0306: cyl 6 misfire. This audi came in a few months back with collided valves into pistons destroying the bottom end, we installed a used low mileage long block engine into it and It ran fine for a few days but noted when fully accelerated to the floor WOT under maximum boost and ...
April 17, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0306: Cylinder 6 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0306: Cylinder 6 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 20, 2013