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P0304 Diagnostic Trouble Code Discussion for May 2015

Cylinder 4 Misfire Detected

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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1996 Honda Accord EX 2.2L Misfire, MIL Lamp on VIN: 1HGCD5669T
P0304: Cylinder 4 Misfire Detected. ... swaped a motor (f22b1 vtec) new ngk plugs gaped to 1.1mm I adjusted valves when cold. .010in intake, .012in exhaust. they werent off that much timing belt marks are dead on, cap and rotor, wires are visual marginal, no arching or complety dead cylinders ru...
May 07, 2015
2006 Chrysler Town & Country Limited 3.8L Poor Idle Quality VIN: 2A8GP64L36
P0304: Cylinder 4 Misfire Detected. We run a vw and audi only shop but my wife wanted a Chrysler van, So I can only see the code! compression on all three front cylinders is the same. pulled valve covers and none of the valve springs appear broken. Checked height with machine straight edge and a...
May 19, 2015
2009 Subaru Outback 2.5i Limited 2.5L MIL Lamp on VIN: 4S4BP66C59
P0304: . We rebuilt the engine in this Suby and since we did, on heavy acceleration the check engine light blinks and all 4 cylinder misfire codes are stored . There is no recognizable misfire or any other drivability issues. The coil, crank and cam sensors were replac...
May 21, 2015
2002 Subaru Outback L.L. Bean 3.0L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 4S3BH80622
P0304: Cylinder 4 Misfire Detected. Vehicle came in complaint running rough , CEL on, misfire recorded on bank 2 side. found fuel trims to be -10 long term, -20 short term on bank 2 side. replaced air fuel ratio sensor to no effect & performed complete tune up. vehicle was overdue on oil cha...
May 22, 2015