
P0303 Diagnostic Trouble Code Discussion for July 2004
Cylinder 3 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 P0303
Help Request | Posted | |
1999 Saturn SL2 1.9L Misfire, MIL Lamp on VIN: 1G8ZJ5270X P0303: Cylinder 3 Misfire Detected. Hello Everyone: I truly hope that one of my techs has helped someone in the past with a truly baffling problem!! Because, this Saturn is going to send me to Mars, Venus, and back!!! Like an idiot, I took on a SIMPLE engine swap from a local used car dealer o... |
July 20, 2004 | |
1999 Saturn SL2 1.9L Misfire, MIL Lamp on VIN: 1G8ZJ5270X P0303: Cylinder 3 Misfire Detected. Hello Everyone: I truly hope that one of my techs has helped someone in the past with a truly baffling problem!! Because, this Saturn is going to send me to Mars, Venus, and back!!! Like an idiot, I took on a SIMPLE engine swap from a local used car dealer o... |
July 21, 2004 | |
1998 Porsche 911 Carrera 3.6L Poor Idle Quality, MIL Lamp on VIN: WP0CA2993W P0303: Cyl 3 Misfire. Vehicle appears to run fine with the exception or a poor idle, 13" vac @ idle I suspect is due to a commanded ignition timing amount of 3 degrees. Vehicle runs good and appears to have plenty of power. When the MIL comes on and sets multiple cylinder misfi... |
July 26, 2004 | |
1997 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R4V P0303: Cylinder 3 Misfire Detected. the check engine lite will come on and stay on for a day or two then go off. the customer does not complain of a miss in the engine just the light coming on and off. |
July 28, 2004 | |
1996 Ford Windstar GL 3.8L Misfire VIN: 2FMDA5143T P0303: 3 cylinder misfire. we had this vehicle in two years ago, at 125,000 miles, for the same problem, #3 cylinder miss. We replaced the coil pack and ignition wires (someone had put Belden wires on it) the miss was still there. Removed plenum, found all EGR ports plugged except #3. C... |
July 30, 2004 | |
1999 Ford Explorer XL 4.0L Misfire, MIL Lamp on VIN: 1FMZU34X6X P0303: cyl 3 misfire. car came in first time with a misfire #3 plug was not firing but looked fine so i replaced plug and ran fine. came back 4 months later with same problem same cylinder so i replaced all plugs and wires. did fine for three months same problem raplced plugs again... |
July 30, 2004 |