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P0304 Diagnostic Trouble Code Discussion for January 2013

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2004 Volkswagen Beetle GLS 1.8L Misfire VIN: 3VWCD31Y14
P0304: cylinder 4 misfire. On a cold start engine misfires for short time then smooths out, once it smooths out it will run fine under all driving conditions. I noticed that the secondary air pump runs on a cold start and it shuts off about the same time that the engines misfires stop. ...
January 01, 2013
2001 Audi A6 Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUED54B81
P0304: cyl 4 mis. Eng lt flashing, rough idle and misfire on accell. Codes regarding lh bank misfires and cam phaser. Upon visual inspection, a person has attempted to replace the timing belt. After some consideration, i decided to pull the front cover off the engine and check ...
January 09, 2013
2001 Audi A6 Quattro 2.8L Misfire VIN: WAUEH64BX1
P0304: cylinder 4 misfire. Have this 2001 Audi A6 2.8 with misfire codes. (see list) appears to be the drivers bank of cylinder. checked fuel pressure. (70 psi) checked camshaft position sensor (ok) hear slight popping in intake at idle. no engine noise from chain tensioner. checked cam...
January 09, 2013
2002 Kia Optima SE 2.7L No Start, Misfire VIN: KNAGD12892
P0304: Cylinder 4 Misfire Detected. Towed into shop as a crank and no start. I crank for about 20 seconds on it and it started. I drove it and it ran fine. After it would set for about 30 minutes then it would take maybe 10 seconds to crank before it would start. Then it started and ran fine fo...
January 11, 2013
2008 Dodge Ram 1500 Truck ST 3.7L Misfire VIN: 1D7HA16K88
P0304: Misfirte on 4 cylinder. Skipping at idle on #4 cylinder. Smoke test system for vaccuum leaks Ok Checked for intake gasket leakage ok switched all # 4 cylinders components to #3 and still skips at idle only.
January 14, 2013
2001 Audi A6 Quattro 2.8L Misfire VIN: WAUEH64BX1
P0304: cylinder 4 misfire. Have this 2001 Audi A6 2.8 with misfire codes. (see list) appears to be the drivers bank of cylinder. checked fuel pressure. (70 psi) checked camshaft position sensor (ok) hear slight popping in intake at idle. no engine noise from chain tensioner. checked cam...
January 15, 2013
2006 BMW X5 4.4i 4.4L Misfire, MIL Lamp on VIN: 5UXFB53506
P0304: cylinder 3 misfire. car misfires when first cold in the morning but clears out, does not smoke at all. replaced both crankcase vent valves and updated hoses, installed new plugs an reprogrammed pcm. car has misfires on all cylinders, mostly on cold mornings. read all tsb about mo...
January 15, 2013
2000 Ford Ranger XL 2.5L No Start, Poor Idle Quality, Cuts out VIN: 1FTYR10C1Y
P0304: Misfire Cylinder 4. ... truck that just happen to break down in front of my shop while dropping off some parts. The truck cranked fine but wouldn't start. I finally managed to get the vehicle running long enough to pull it in the shop. I scanned it for codes and got a p0303 and p...
January 19, 2013
2008 Chrysler PT Cruiser Touring 2.4L Misfire, MIL Lamp on VIN: 3A8FY58B88
P0304: Miss at number 4. The car misses at idle, but runs smooth at 1500RPM and above. Misfire counter shows miss on #4 at idle, but not above 1500 rpm. Adaptive short and long readings total about 9 at idle, go to 2 at 1500 rpm. ST125 shows a great spark at idle. Plugs are new. A smo...
January 21, 2013
2005 Chrysler Town & Country (Van) Touring 3.8L Misfire, MIL Lamp on VIN: 2C4GP54L75
P0304: misfire cyl 4. I have this van that I am trying to figure out where the misfire is coming from. Supposed to be a simple ignition system. Cyl 1 and 4 setting misfire codes after new coil was installed. I know 1 and 4 is fired by the same coil. Have never seen coil signal drop...
January 25, 2013
2003 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 5FNRL18983
P0304: Cylinder 4 Misfire Detected. ... condition only during start up and only after a long cold soak. The misfire condition is very brief, (8 - 15 seconds in duration). After it clears, it doesn't misfire at all during normal operation and will not occur again until it sits dormant for several...
January 28, 2013