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P0304 Diagnostic Trouble Code Discussion for July 2014

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2000 Volkswagen Jetta GLX 2.8L Misfire VIN: 3VWTE29M5Y
P0304: missfire 4. This little ole vw misses always but we really can't tell which cylinders are constant because our generic scanner doesn't have a misfire counter, but my concern is an oil pressure issue because it has a lot of rattling in the top end, sounds like a lifter rat...
July 07, 2014
2013 Cadillac ATS 2.0L Misfire VIN: 1G6AC5SX8D
P0304: . I have a stupid questin. This cute car has misfire problem. I performed leak down test and found cylinder 4 70% leaking. Please let me know whether I can replaced the piston in vehicle or not. Should I remove the engine to replace the piston and connecting rod...
July 09, 2014
2007 Jeep Liberty Sport 3.7L Misfire VIN: 1J4GL48K57
P0304: Cylinder 4 Misfire Detected. This Jeep came in with a P0304 cylinder 4 misfire. I have had some dealing with these and know they are prone to valve spring issues. Checked vacuum as good and steady. Removed passenger valve cover and inspected valve springs on all cylinders (no issue). I ha...
July 12, 2014
2007 Subaru Outback 2.5i Basic 2.5L Misfire VIN: 4S4BP61CX7
P0304: Cylinder 4 Misfire Detected. So im not a big suburu guy by any means but hay what the hell.So this car came from another shop about 3 days ago running like SH!T.At idle this thing misfires on all cylinders.I found out the customer bought this car at an auction 2 weeks ago and has run crap...
July 17, 2014
2007 Subaru Outback 2.5i Basic 2.5L Misfire VIN: 4S4BP61CX7
P0304: Cylinder 4 Misfire Detected. So im not a big suburu guy by any means but hay what the hell.So this car came from another shop about 3 days ago running like SH!T.At idle this thing misfires on all cylinders.I found out the customer bought this car at an auction 2 weeks ago and has run crap...
July 18, 2014
2007 Pontiac Solstice GXP 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G2MG35XX7
P0304: Random Misfire Detected. Vehicle came in with a complaint of a check engine light on , smoke out the tailpipe, backfires. after pulling codes ( please see above list )plus p0420,po833,and p2096 codes also found car was low of oil and the turbo was leaking oil as well as oil in the int...
July 23, 2014
2003 Honda Civic EX 1.7L Misfire VIN: 1HGEM22943
P0304: Cylinder 4 Misfire Detected. Car came in for check engine and founds codes for electric load detector and three misfire codes. Cylinders 1,2,4 but not 3. When looked at car no misfire going and running good . Fuel trims around 0. Replaced electric load detector and reset computer. Test dr...
July 24, 2014
2007 Pontiac Solstice GXP 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G2MG35XX7
P0304: Random Misfire Detected. Vehicle came in with a complaint of a check engine light on , smoke out the tailpipe, backfires. after pulling codes ( please see above list )plus p0420,po833,and p2096 codes also found car was low of oil and the turbo was leaking oil as well as oil in the int...
July 28, 2014