Join Now
International Automotive Technicians Network

P0304 Diagnostic Trouble Code Discussion for April 2012

Cylinder 4 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2006 Honda Civic EX 1.8L Misfire VIN: 1HGFA15826
P0304: Cylinder 4 Misfire Detected. engine and converter replaced, car starts right up but when taking off it will begin to misfire, crank relearn has been performed, all honda techs please help with any info
April 03, 2012
1998 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMZU34E7W
P0304: cyl 4. eng. lite comes on/flashes every time you drive- freeze frame looks OK to me, no negative fuel trim. checked compression, all between 140-160, O2 sensor monitor appears ok, has plenty of power and no noticeable problems, runs real smooth.. also, cyl. contribut...
April 05, 2012
1999 Audi A8 Quattro 4.2L Misfire, MIL Lamp on VIN: NAVBG34D1X
P0304: Cylinder 4 Misfire. Hi all, this one came in on the hook. Customer said check engine light was flashing and it was running rough. I went out the next day and brought the car in and it was running like a top. I pulled codes and found about 25 codes mostly for misfires on all cylin...
April 09, 2012
1997 BMW 528i 2.8L No Start, Cuts out, Misfire VIN: WBADD6321V
P0304: 4 misfiring. Hi folks. First of all, I 'd like to thanks for everybody whom spend valuable time for me. Here 97 Bmw 528i giving me headache, misfiring only when cold start about 4-5 minutes, after that runs perfect all day. Most time It doesn't set code, but sometime, like...
April 09, 2012
1997 Subaru Legacy Outback 2.5L MIL Lamp on VIN: 4S3BG6858V
P0304: Cylinder 4 Misfire Detected. This Subaru has been giving us the run-around for about six months now. It keeps throwing misfire codes for cylinders three and four no matter what we do. It doesn't run particularly rough or smoke, and it doesn't feel like a dead miss. We've pulled down the e...
April 10, 2012
2005 Kia Rio 1.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: KNADC12505
P0304: Cylinder 4 Misfire Detected. i have this car, when you revers it gose about 100 yards then stall,but going forward you can go more then a foot and it stalls, when it first came in i had all all four injector cicuit low codes and all four cylinder misfires, cleard codes, now i only have th...
April 26, 2012
1997 Mazda B2300 SE 2.3L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4F4CR16A3V
P0304: Cylinder 4 Misfire Detected. ... a Mazda/Ford pickup here. This B2300 came in with a lack of power complaint. MIL on, P0304 stored. Idles ok, but when revved above 3000 RPM repeatedly will start to drop a cylinder. Upon releasing the throttle it will idle very rough for a few seconds. The...
April 26, 2012
1996 Volvo 850 GLT 2.4L Poor Idle Quality, Misfire VIN: YV1LS5542T
P0304: cylinder 4 misfire. Hellow all volvo techs any help or insight would be appriciated. This volvo has got me at the end of my ideas I have replaced plugs wires cap rotor with oe parts tried diffrent maf crank sensor have checked compression and did injector balance test and still n...
April 27, 2012
2006 Honda Civic EX 1.8L Misfire VIN: 1HGFA15826
P0304: Cylinder 4 Misfire Detected. engine and converter replaced, car starts right up but when taking off it will begin to misfire, crank relearn has been performed, all honda techs please help with any info
April 03, 2012
1998 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMZU34E7W
P0304: cyl 4. eng. lite comes on/flashes every time you drive- freeze frame looks OK to me, no negative fuel trim. checked compression, all between 140-160, O2 sensor monitor appears ok, has plenty of power and no noticeable problems, runs real smooth.. also, cyl. contribut...
April 05, 2012
1999 Audi A8 Quattro 4.2L Misfire, MIL Lamp on VIN: NAVBG34D1X
P0304: Cylinder 4 Misfire. Hi all, this one came in on the hook. Customer said check engine light was flashing and it was running rough. I went out the next day and brought the car in and it was running like a top. I pulled codes and found about 25 codes mostly for misfires on all cylin...
April 09, 2012
1997 BMW 528i 2.8L No Start, Cuts out, Misfire VIN: WBADD6321V
P0304: 4 misfiring. Hi folks. First of all, I 'd like to thanks for everybody whom spend valuable time for me. Here 97 Bmw 528i giving me headache, misfiring only when cold start about 4-5 minutes, after that runs perfect all day. Most time It doesn't set code, but sometime, like...
April 09, 2012
1997 Subaru Legacy Outback 2.5L MIL Lamp on VIN: 4S3BG6858V
P0304: Cylinder 4 Misfire Detected. This Subaru has been giving us the run-around for about six months now. It keeps throwing misfire codes for cylinders three and four no matter what we do. It doesn't run particularly rough or smoke, and it doesn't feel like a dead miss. We've pulled down the e...
April 10, 2012
2005 Kia Rio 1.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: KNADC12505
P0304: Cylinder 4 Misfire Detected. i have this car, when you revers it gose about 100 yards then stall,but going forward you can go more then a foot and it stalls, when it first came in i had all all four injector cicuit low codes and all four cylinder misfires, cleard codes, now i only have th...
April 26, 2012
1997 Mazda B2300 SE 2.3L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4F4CR16A3V
P0304: Cylinder 4 Misfire Detected. ... a Mazda/Ford pickup here. This B2300 came in with a lack of power complaint. MIL on, P0304 stored. Idles ok, but when revved above 3000 RPM repeatedly will start to drop a cylinder. Upon releasing the throttle it will idle very rough for a few seconds. The...
April 26, 2012
1996 Volvo 850 GLT 2.4L Poor Idle Quality, Misfire VIN: YV1LS5542T
P0304: cylinder 4 misfire. Hellow all volvo techs any help or insight would be appriciated. This volvo has got me at the end of my ideas I have replaced plugs wires cap rotor with oe parts tried diffrent maf crank sensor have checked compression and did injector balance test and still n...
April 27, 2012