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P0306 Diagnostic Trouble Code Discussion for February 2004

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
1995 Ford Mustang 3.8L Misfire VIN: 1FALP4049S
P0306: 6 cylinder misfire. i'm running out of ideas...this car came in with a steady miss on #6, after head gaskets were replaced at another shop. i replaced the plug, no change, swapped wires, no change, checked fuel pressure, ok, checked for injector operation with stethoscope, sounds...
February 05, 2004
1997 Ford F-150 4.2L Poor Idle Quality, Hesitation VIN: 1FTDF1722V
P0306: cyl 6 miss. This Truck came in with check engine light on and poor running. There is no power on acceration. It falls flat on it's face until it reaches 2500 rpms. If you shift and keep it up there it seems ok. I have replaced plugs, wires, MAF sensor. All with OE parts. ...
February 09, 2004
1995 BMW 750iL 5.4L Poor Idle Quality, MIL Lamp on VIN: WBAGK2321S
P0306: Misfire Cyl 6. Why would the DME think every cyl on this bank is misfiring? It does intermittently seem to drop rpm, but it does not idle rough or misfire at any point. DME1 and 2 both report these codes. Clearing codes and restarting brings them back after about 3-4 seconds...
February 18, 2004
1998 Dodge Dakota 3.9L Poor Idle Quality VIN: 1B7GL22XXW
P0306: Cylinder 6 Misfire Detected. Hi guys! Have this Dakota with a miss on cylinder 6. Has 110 psi compression on all cylinders. Scope pattern is good,But it does show a higher than normial fireing voltage on 6. Switched plug to differnt cylinder, still misses on no.6. Did an injector balance ...
February 24, 2004
1998 Land Rover Discovery LE 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SALJY12U7W
P0306: Misfire Cyl 2. Came in on a hook. Would run a little if you worked the throttle but not stay running. Had codes listed previously. Replace coil pack and wires. Will now start (eventually) and maintain an idle. Goes into serious lean misfire if you try to accelerate at all. R...
February 25, 2004