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P0304 Diagnostic Trouble Code Discussion for January 2015

Cylinder 4 Misfire Detected

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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2007 Volkswagen Touareg 3.6L Misfire, MIL Lamp on VIN: WVGZE77L57
P0304: Cyl. 4 misfire. VW Techs. Vehicle was brought in by the owner, he said it was diagnosed by the dealership as timing chain stretched or guide rail has failed and causing the camshaft position code. Ran the basic tests and am not able to determine that the failure is the chain ...
January 05, 2015
2002 Saturn LW300 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G8JW84R62
P0304: Cylinder 4 Misfire Detected. ... your help. Vehicle was towed in undriveable and surging, faults P0103 (mass air flow circuit high input) along with P0300, P0304, P1780 (engine torque reduction signal circuit OR MIL requested by TCM), P0606 (ECM/PCM processor). Replaced MAF sensor and fix...
January 16, 2015
2003 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA56623
P0304: Cylinder 4 Misfire Detected. this car will randomly misfire on all cylinders at an idle. It seems mostly on cylinder #2 but other cylinders will also miss just once like every 15 seconds. fuel trims look good. looked at intake valves when I had intake off to see if all carboned up but loo...
January 20, 2015
2009 Honda Odyssey EX-L 3.5L Misfire, MIL Lamp on VIN: 5FNRL38759
P0304: misfire 4. ... p0430.Replaced parts ran in shop to insure no air pockets road test fine.Rechecked on scanner, temporary codes p0304-p0305-p0306.Cleared road test again-now excessive smoking from tail pipe-on medium to ...
January 22, 2015
2001 Volkswagen Passat GLS 2.8L Misfire, MIL Lamp on VIN: WVWPH63B81
P0304: Cylinder 4 misfire. The car came in for a hard misfire on cylinders 4,5, and 6 I have tried swapping the injectors, tested coil under a load, replaced spark plugs and wires because wires were arcing, checked for compression has 150 psi, checked timing belt and timing chain timing...
January 26, 2015
2005 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on VIN: WVWDD63BX5
P0304: Cyl 4 misfire. Clear codes and vehicle runs perfect. After driving under heavy load, vehicle will intermittently idle rough and misfire. Normal idle MAF reading is 3.5 g/s or so, when misfiring the MAF is reading between 7 and 10 g/s. Also when misfiring fuel trim will be ma...
January 28, 2015