P0304 Diagnostic Trouble Code Discussion for December 2015
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2006 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMYU03116 P0304: Cyl. 4 Misfire. Normally these don't get me stumped but this one has. At idle, hot, this has a misfire on Cylinder 4. It is NOT felt, I can only see it on misfire counters. Swapped #4/5 coils, no change. Swapped plugs, no change. Static compression on all front three cyl... |
December 02, 2015 | |
| 2006 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMYU03116 P0304: Cyl. 4 Misfire. Normally these don't get me stumped but this one has. At idle, hot, this has a misfire on Cylinder 4. It is NOT felt, I can only see it on misfire counters. Swapped #4/5 coils, no change. Swapped plugs, no change. Static compression on all front three cyl... |
December 03, 2015 | |
| 2003 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW48SX3 P0304: Cylinder 4 Misfire Detected. ... cylinder 4. We have changed the coil due to cracks, changed plugs, cleaned and swapped injectors. And it still has a misfire on cylinder 4. The misfire is worse at idle sometimes if you snap the throttle while idling at a stop light it will almost go away ... |
December 07, 2015 | |
| 2009 Jaguar XF Premium Luxury 4.2L Poor Idle Quality, Surge, Stall, Misfire VIN: SAJXA06B49 only happens after a cold soak. Car starts and idle fluctuates. Sometimes stalls and then have to restart. Aft 15sec of running cannot duplicate. i suspect a vacuum leak but cannot prove it with smoke test or watching fuel trim reaction to inducing a rich cond... |
December 15, 2015 | |
| 2000 Lincoln LS 3.9L Misfire VIN: 1LNHM87A4Y P0304: cylinder 4 missfire. car came in running very rough, scanned and retrieved lean code and missfire on cylinder 4 inspected plugs and found them very black and sooted. replace all plugs and inspect data for mass air flow sensor. car still runs rough. had very little fuel and custome... |
December 15, 2015 | |
| 2006 BMW 650i 4.8L No Start, Stall, Misfire VIN: WBAEK13436 Customer was coming in for a steering light on. On the way here car just died. When cranking the car will try to start if you give it gas I can keep it running for about 10-20 seconds, heavy misfiring and dies out. I have 50 psi for fuel pressure. Has anyone s... |
December 16, 2015 | |
| 2007 Hyundai Santa Fe SE 3.3L Misfire VIN: 5NMSH13EX7 P0304: Cylinder 4 Misfire Detected. This is for next tech help only vehicle is fixed. this one is dead misfire like timing chain jump 2to3 teeth. |
December 21, 2015 | |
| 2010 Land Rover Range Rover Sport Supercharged 5.0L Misfire, MIL Lamp on VIN: SALSH2E41A P0304: Misfire Cylinder 4. 2010 5.0l Supercharged came in our shop with misfire codes on all cylinders and stretched primary timing chains. After replacing the timing chains and all associated components, upon startup it would set all misfire codes on all cylinders and with some run tim... |
December 23, 2015 |
