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P0304 Diagnostic Trouble Code Discussion for December 2008

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2003 Ford F-150 XLT 4.6L Misfire, MIL Lamp on VIN: 1FTRW07643
P0304: misfire4 stored in freeze frame. ... rough , asks about spark plugs.Scanner wont read codes "no power from vehicle" message , turns out fuse 3 is blown.Replaced the fuse and retrieved codes , misfire in freeze frame for cyl # 4 .KOEO test came up with P0016 CKP CMP correlation code fo...
December 01, 2008
1997 Nissan Altima GLE 2.4L Cuts out, Misfire, MIL Lamp on VIN: 1N4BU31D1V
P0304: Cylinder 4 Misfire Detected. ... for the first time about a two months ago with a check engine lamp on and a P0304 code for #4 cylinder misfire. A quick check found #4 spark plug wire arching through to the inside of the spark plug tube. Being that the car had 155,000 miles on the origina...
December 03, 2008
2003 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Misfire, MIL Lamp on VIN: 1FMRU17W13
Well, got this expedition in couple days ago. All the codes listed above were present. Engine skipping, low power. Scan PID's showed Bank 1 running very rich- LTFT- -25%, Bank 2 running lean- LTFT- +15% to +25%. Vacuum gauge shows a steady 18in. Fuel pressure ...
December 05, 2008
2001 Mercury Cougar 2.5L No Start VIN: 1ZWFT61LO1
P0304: . car is a no start. Has no spark. Crank position sensor is functioning correctly. Has fuel pressure all the time. Coil has been replaced. All power and grounds are available at the ecm. Power is available at the coil pack while cranking. One question I have is ...
December 05, 2008
2003 Chevrolet Cavalier LS 2.2L Misfire, MIL Lamp on VIN: 1G1JF52F33
P0304: Cylinder 4 Misfire Detected. Please look at repair history below. Everything tested ok so tried changing parts no luck. any other test I am open to suggestions Thanks Jim III
December 08, 2008
1996 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GL23X1T
P0304: Cylinder 4 Misfire Detected. Hi folks, Customer has no complaint about engine performance. The MIL won't stay off. After clearing codes the MIL will come on after a day or so, setting codes PO300 Thru PO306. I noticed fuel pressure on the low side, so I replaced the fuel pump assembly w...
December 10, 2008
2000 Volkswagen Jetta GL 2.0L Cuts out, Misfire, MIL Lamp on VIN: 3VWRC29MXY
P0304: . Ok I have a 2000 Jetta with a 2.0 AEG motor and a 5 speed. Cust complaint is of a mil light on and sometimes flashing. Codes revealed misfire on all cylinders. Further investigation shows new plugs,wires, coil, maf and all are OE VW parts. Test drive the car a...
December 12, 2008
2000 Volkswagen Jetta GL 2.0L Cuts out, Misfire, MIL Lamp on VIN: 3VWRC29MXY
P0304: . Ok I have a 2000 Jetta with a 2.0 AEG motor and a 5 speed. Cust complaint is of a mil light on and sometimes flashing. Codes revealed misfire on all cylinders. Further investigation shows new plugs,wires, coil, maf and all are OE VW parts. Test drive the car a...
December 13, 2008
2000 Audi S4 2.7L Misfire VIN: WAUDD68D4Y
P0304: miss 4. hi again here i am beating my head against a wall for other peoples gain again, this audi came in running poorly, underheating, check engine light on, towed in, code interrogation found codes in repair history check with smoke machine found vacuum leaks at pcv...
December 15, 2008
2003 Chevrolet Silverado 1500 4.8L Misfire, MIL Lamp on VIN: 1GCEC14V43
P0304: Cylinder 4 misfire. Hello all, thank you for taking the time to read, I have a 03 chev picup (owner of the shop truck) that is going to drive me nuts, have a misfire on #4 and #6 all the time, i have fuel, spark, and compression, i have removed the valve cover and checked the roc...
December 15, 2008
2002 Ford Escape XLS 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU02111
P0304: Cylinder 4 Misfire Detected. ... escape. The vehicle came in initialy with an engine misfire mainly at idle and under a load. The tech that had worked on this vehicle prior found code (P0304 Cly. #4 misfire detected). Apon his diag he found the upper intake ...
December 15, 2008
2000 Audi S4 2.7L Misfire VIN: WAUDD68D4Y
P0304: miss 4. hi again here i am beating my head against a wall for other peoples gain again, this audi came in running poorly, underheating, check engine light on, towed in, code interrogation found codes in repair history check with smoke machine found vacuum leaks at pcv...
December 17, 2008
2001 Volkswagen Beetle GLX 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWDD21C71
P0304: . ... here, just looking for some confirmation from some of the Euro-car guys. This Beetle came in with a customer complaint of rough idle. Had a pending p0171 code which became a hard code on the test drive. Found that big y-shaped vacuum tube on the back of th...
December 24, 2008
2001 Mitsubishi Montero Limited 3.5L MIL Lamp on VIN: JA4MW51R81
P0304: Cylinder 4 Misfire Detected. ... with this montero. Bear with me it is long. It came in November because of check engine light. We found that the codes that I have listed were all present. We also found that there was no coolant, filled coolant. We attemped to solve the initial problem by...
December 30, 2008
1998 Mercedes-Benz ML320 3.2L Misfire VIN: EOWAO44855
Hello every one This car came in with missfire on one side of eng,on cyl number 4,5,a and 6,checked it found bad spark plugs,replaced spark plugs and wires,still miss fire all three cyls,checked fuel injector all ohm as is should(16 ohm)it has injetor pulls,it...
December 31, 2008