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P0304 Diagnostic Trouble Code Discussion for November 2007

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2000 Ford Focus ZX3 2.0L Misfire VIN: 3FAFP3139Y
P0304: Missfire on 4 cyl. I am having trouble finding this misfire. I am not familiar with this vehicle and engine. I have checked coil connections, moved plug wires around,checked for vacuum leaks and the miss stays in #4 cyl. I hope someone can help on this one. Thanks, Bob in North ...
November 01, 2007
2000 Volkswagen Beetle GL 2.0L Cuts out, Stall VIN: 3VWCC21COY
P0304: 4 mis. This car won't pull over 50gps and lays down at 4k rpm. Customers issue is the car stalls after a twenty min. road trip and will resart after about 2/3 min. We have goten the car to do this once. It felt as if it ran out of fuel. ie, sputtered to a stall. Whe...
November 01, 2007
2002 Toyota Celica GT 1.8L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JTDDR32T72
P0304: Cylinder 4 Misfire Detected. This vehicle was originally brought in for a rough run and mil light on. scanned codes found codes for multiple cylinder misfire. Removed plugs and found to be bad, so replaced plugs and cleared light. rechecked operation still has misfire present. suspected c...
November 06, 2007
2000 Audi TT 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: TRUTC28N7Y
P0304: testing and results. We are experiencing a hard start on cold start, back firing, hesitation with reduced acceleration capabilities. Engine runs better when warmed up, provided that it will run long enough to warm up. We have recieved input/suggestions from AUDI dealerships with n...
November 07, 2007
2002 Kia Sportage 2.0L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: KNDJA62352
P0304: Cylinder 4 Misfire Detected. hello all Im having trouble with this kia sportage on the first start up of the day the car will run fine until you step on the gas it emediately goes into a skipping of all cylinders and stalls when you try to restart it acks like it is flooded badly the only...
November 07, 2007
2003 Acura MDX 3.5L No Start VIN: 2HNYD18203
P0304: Cylinder 4 Misfire Detected. This one came from another shop. Cranking hard or no start cold. If it sits overnight it has to be huffed lightly with starting fluid to start. Then it will act lean and pop and miss until it gets warm then runs fine. Pulled spark plugs when it was cold after ...
November 09, 2007
1996 Subaru Legacy Outback 2.5L Hesitation, Misfire, MIL Lamp on VIN: 4S3BG685XT
P0304: Cylinder 4 Misfire Detected. i got this subaru that always has acode for cylindre 4 misfire.i have road tested this car and when the engine is cold i will get on the parkway and accelerate,at this time i start to lose power and it will start to misfire and eventually it will stall out.it ...
November 12, 2007
1998 Dodge Neon High Line 2.0L Misfire VIN: 1B3ES47Y0W
P0304: Cylinder 4 Misfire Detected. tested injectors, no problem found. ohm to 12 ohms. used external injector testor and cycled injectors through the pcm harness and measured amp with labe scope. they were consitant .8 to 1 amp. installed a 2 amp fuse on the injector power feed by splicing into...
November 13, 2007
2004 Toyota Matrix 1.8L Misfire VIN: 2T1KR32E04
P0304: Cylinder 4 Misfire Detected. Hey toyota techs.Hope you can help me on this one.This Matrix XR has a bad multiple cylinder misfire.First tried new dealer plugs and no change.Cleaned the MAF and still no change.Tried to swap coils to the cylinder not misfiring and it still doesn't misfire.S...
November 13, 2007
2004 Toyota Matrix 1.8L Misfire VIN: 2T1KR32E04
P0304: Cylinder 4 Misfire Detected. Hey toyota techs.Hope you can help me on this one.This Matrix XR has a bad multiple cylinder misfire.First tried new dealer plugs and no change.Cleaned the MAF and still no change.Tried to swap coils to the cylinder not misfiring and it still doesn't misfire.S...
November 14, 2007
2001 Volkswagen Beetle GLS 2.0L Hesitation, Misfire VIN: 3VWCS21C81
P0304: cylinder 4 misfire. ... unfortunatley, i have a parking lot full of cars that are humbling me. this 2001 beetle came in with a check engine light (p0301 and p0304)and would not accelerate. customer requested we replace plugs and fuel filter which...
November 26, 2007