Join Now
International Automotive Technicians Network

P0304 Diagnostic Trouble Code Discussion for November 2004

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
2000 Chrysler Sebring JXi 2.5L Misfire VIN: 3C3EL55H9Y
P0304: Cylinder 4 Misfire Detected. The car runs rough at idle but okay off idle. It has a check engine light and missfire codes for # 4/6 cylinders. So we replace the wires / cap/ rotor/ plugs and it runs no different. next the injector drop test and it shows less rpm drop when 4 or 6 are shut...
November 09, 2004
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire VIN: 3B7HF1327V
P0304: Cylinder 4 Misfire Detected. Hello, This truck came in earlier this week with a check engine light on and a definate miss at idle. We verified the miss with a scanner, and could watch as the Cyl #4 misfire counts would increase. Above idle, the misfire would quit. We swapped everything...
November 11, 2004
2000 Kia Sportage EX 2.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: KNDJA7237X
P0304: Cylinder 4 Misfire Detected. We changed plugs, coils & wires,(as described in so many submissions) still misfired. Followed all other,(very good advice), pulled and checked all harnesses for cleanliness,contact, position and ability to move/flex with the vehicle, still misfired. Check...
November 15, 2004
2000 Volvo S40 1.9L Hesitation, Cuts out VIN: YV1V52555Y
P0304: Missfire cyl number 4. Mil light on ,code p0304 missfire cyl number4.Put plugs, new coil pack and wires.Still giving a miss when under load and cruising.
November 15, 2004
1996 Ford Windstar GL 3.8L Misfire, MIL Lamp on VIN: 2FMDA5143T
P0304: cylinder 4 misfire. this windstar came in from another shop and had plugs and wires replaced but did not resolve the ses lite or miss . on the road test cyl 4 missed on accel and at cruise.I had known good coil pak and replaced but did not correct the problem. after a few test li...
November 16, 2004
1998 Subaru Forester L 2.5L Misfire, MIL Lamp on VIN: 1F1SF6358W
P0304: Cylinder 4 Misfire Detected. ... a dtc p0304 this is its third time. the second time we were supposed to get a different set of wires parts guy dropped the ball. know they want to know whats going to fix it. It has a rough idle not to bad and you can feel the miss when you crack the throt...
November 16, 2004
2000 Dodge Ram 1500 Truck 3.9L Misfire, MIL Lamp on VIN: 1B7HC16X84
P0304: Cylinder 4 Misfire Detected. help is needed from all of you drivability wizz. this truck came into my shop with a mil light and misfire complaint. performed all the basic check, compression, ignition and fuel pressure. all check good with fuel pressure at 45 to 50 psi. check inject # 4 an...
November 23, 2004
1996 Plymouth Grand Voyager 3.0L Misfire, MIL Lamp on VIN: 2P4GP243TT
P0304: Cylinder 4 Misfire Detected. ... Chrysler that is giving me some problems. The MIL comes on intermittedly with the code P0304 cylinder #4 misfire. The vehicle originally came in for a misfire. Check codes P0304. Spark plugs were totally worn out. So did a fu...
November 23, 2004
2000 Chrysler Sebring JXi 2.5L Misfire VIN: 3C3EL55H9Y
P0304: Cylinder 4 Misfire Detected. The car runs rough at idle but okay off idle. It has a check engine light and missfire codes for # 4/6 cylinders. So we replace the wires / cap/ rotor/ plugs and it runs no different. next the injector drop test and it shows less rpm drop when 4 or 6 are shut...
November 09, 2004
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire VIN: 3B7HF1327V
P0304: Cylinder 4 Misfire Detected. Hello, This truck came in earlier this week with a check engine light on and a definate miss at idle. We verified the miss with a scanner, and could watch as the Cyl #4 misfire counts would increase. Above idle, the misfire would quit. We swapped everything...
November 11, 2004
2000 Kia Sportage EX 2.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: KNDJA7237X
P0304: Cylinder 4 Misfire Detected. We changed plugs, coils & wires,(as described in so many submissions) still misfired. Followed all other,(very good advice), pulled and checked all harnesses for cleanliness,contact, position and ability to move/flex with the vehicle, still misfired. Check...
November 15, 2004
2000 Volvo S40 1.9L Hesitation, Cuts out VIN: YV1V52555Y
P0304: Missfire cyl number 4. Mil light on ,code p0304 missfire cyl number4.Put plugs, new coil pack and wires.Still giving a miss when under load and cruising.
November 15, 2004
1996 Ford Windstar GL 3.8L Misfire, MIL Lamp on VIN: 2FMDA5143T
P0304: cylinder 4 misfire. this windstar came in from another shop and had plugs and wires replaced but did not resolve the ses lite or miss . on the road test cyl 4 missed on accel and at cruise.I had known good coil pak and replaced but did not correct the problem. after a few test li...
November 16, 2004
1998 Subaru Forester L 2.5L Misfire, MIL Lamp on VIN: 1F1SF6358W
P0304: Cylinder 4 Misfire Detected. ... a dtc p0304 this is its third time. the second time we were supposed to get a different set of wires parts guy dropped the ball. know they want to know whats going to fix it. It has a rough idle not to bad and you can feel the miss when you crack the throt...
November 16, 2004
2000 Dodge Ram 1500 Truck 3.9L Misfire, MIL Lamp on VIN: 1B7HC16X84
P0304: Cylinder 4 Misfire Detected. help is needed from all of you drivability wizz. this truck came into my shop with a mil light and misfire complaint. performed all the basic check, compression, ignition and fuel pressure. all check good with fuel pressure at 45 to 50 psi. check inject # 4 an...
November 23, 2004
1996 Plymouth Grand Voyager 3.0L Misfire, MIL Lamp on VIN: 2P4GP243TT
P0304: Cylinder 4 Misfire Detected. ... Chrysler that is giving me some problems. The MIL comes on intermittedly with the code P0304 cylinder #4 misfire. The vehicle originally came in for a misfire. Check codes P0304. Spark plugs were totally worn out. So did a fu...
November 23, 2004