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P0303 Diagnostic Trouble Code Discussion for June 2011

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2007 Dodge Caliber SE 1.8L Misfire VIN: 1B3HB28C67
P0303: Cylinder 3 Misfire Detected. There is a definite misfire going on but have not had the issue of code PO00B before which is the variable valve timing phase issue. The oil was extremely dirty which I guess can cause some problems with the solenoid, change oil and filter and no change. Other...
June 07, 2011
2006 Other European Fortwo .8L No Start, Poor Idle Quality, Stall, Misfire, Hard Start VIN: WMEAK00F36
P0303: Cylinder 3 misfire detected. This Smart Car CDI will become hard starting after sitting for a few hours. The injectors are firing and there is exhaust smoke coming out the tailpipe. Once warm the engine runs fine. The coolant temperature is at 20*C right now and I am not seeing any activa...
June 09, 2011
1997 Ford F-150 5.4L Misfire VIN: 2FTEX18L1V
P0303: missfire cyl. 3. I have a wierd one here. Its missing all over the place but worse under load. I have checked compression, ign. coils and fuel injectors all ok. The thing that is bugging me is the fuel trims. The LT bank1 is +15 and bank 2 is 2+. The upstream O2 on bank 1 is s...
June 10, 2011
1995 Subaru Legacy 2.2L Poor Idle Quality, Acceleration VIN: 4S3BD6355S
P0303: Misfire cyl 3. OK have a doosy here, this subaru came in barely drivable. The idle is poor and stalls sometimes. But the most obvious symptom is the acceleration, it bogs right down like the cat is clogged Just like you stuck a banana in tailpipe. I dropped the exhaust at ma...
June 10, 2011
1997 Ford F-150 5.4L Misfire VIN: 2FTEX18L1V
P0303: missfire cyl. 3. I have a wierd one here. Its missing all over the place but worse under load. I have checked compression, ign. coils and fuel injectors all ok. The thing that is bugging me is the fuel trims. The LT bank1 is +15 and bank 2 is 2+. The upstream O2 on bank 1 is s...
June 13, 2011
2006 Other European Fortwo .8L No Start, Poor Idle Quality, Stall, Misfire, Hard Start VIN: WMEAK00F36
P0303: Cylinder 3 misfire detected. This Smart Car CDI will become hard starting after sitting for a few hours. The injectors are firing and there is exhaust smoke coming out the tailpipe. Once warm the engine runs fine. The coolant temperature is at 20*C right now and I am not seeing any activa...
June 13, 2011
1996 Ford Explorer XLT 4.0L Excessive Emissions, Misfire VIN: 1FMDU32X0T
P0303: Engine Misfire Cylinder 3. Hello techs I replaced the engine a year ago. Has 65,000 miles. My problem started last month with code PO401 which caused multiple misfire codes on #1 #3 & #5. I ran EGR test and Replaced EGR vaccum psi switch. I cleared codes and ran engine thru cycle an...
June 16, 2011
2003 Land Rover Freelander SE3 2.5L Misfire VIN: SALNY12283
P0303: Misfire 3. Car came with tons of fault codes, running badly with no acceleration. Fault codes were for misfires, coil#1 and 3, and malfunction with variable intake system. I replaced all spark plugs and coils, and checked compressions (they were good and constant). I wa...
June 16, 2011
2003 Land Rover Freelander SE3 2.5L Misfire VIN: SALNY12283
P0303: Misfire 3. Car came with tons of fault codes, running badly with no acceleration. Fault codes were for misfires, coil#1 and 3, and malfunction with variable intake system. I replaced all spark plugs and coils, and checked compressions (they were good and constant). I wa...
June 22, 2011
2000 Mitsubishi Eclipse GT 3.0L Misfire VIN: 4A3AC84L0Y
P0303: Cylinder 3 Misfire Detected. Customer said that the vehicle just started missing one morning & the CEL came on. It definitely has a cylinder that is dead. We have checked & tested every thing as listed and cannot find any cause for the miss.Thinking PCM or something specific to th...
June 27, 2011
2005 Ford F-150 XL 4.2L Hesitation, Misfire, MIL Lamp on VIN: 1FTRF12225
P0303: 3 misfire. ... problem.05&06 4.2's.05 came in SES light on.p0353&p0303 stored.did complete tune up,ran fine.came back 2 days later same problem.changed coil pack&shipped.came back a week later,same prob.put oem coil on no help.pulled intake,does not have indi...
June 28, 2011
2000 Mitsubishi Eclipse GT 3.0L Misfire VIN: 4A3AC84L0Y
P0303: Cylinder 3 Misfire Detected. Customer said that the vehicle just started missing one morning & the CEL came on. It definitely has a cylinder that is dead. We have checked & tested every thing as listed and cannot find any cause for the miss.Thinking PCM or something specific to th...
June 28, 2011
2007 Dodge Caliber SE 1.8L Misfire VIN: 1B3HB28C67
P0303: Cylinder 3 Misfire Detected. There is a definite misfire going on but have not had the issue of code PO00B before which is the variable valve timing phase issue. The oil was extremely dirty which I guess can cause some problems with the solenoid, change oil and filter and no change. Other...
June 07, 2011
2006 Other European Fortwo .8L No Start, Poor Idle Quality, Stall, Misfire, Hard Start VIN: WMEAK00F36
P0303: Cylinder 3 misfire detected. This Smart Car CDI will become hard starting after sitting for a few hours. The injectors are firing and there is exhaust smoke coming out the tailpipe. Once warm the engine runs fine. The coolant temperature is at 20*C right now and I am not seeing any activa...
June 09, 2011
1997 Ford F-150 5.4L Misfire VIN: 2FTEX18L1V
P0303: missfire cyl. 3. I have a wierd one here. Its missing all over the place but worse under load. I have checked compression, ign. coils and fuel injectors all ok. The thing that is bugging me is the fuel trims. The LT bank1 is +15 and bank 2 is 2+. The upstream O2 on bank 1 is s...
June 10, 2011
1995 Subaru Legacy 2.2L Poor Idle Quality, Acceleration VIN: 4S3BD6355S
P0303: Misfire cyl 3. OK have a doosy here, this subaru came in barely drivable. The idle is poor and stalls sometimes. But the most obvious symptom is the acceleration, it bogs right down like the cat is clogged Just like you stuck a banana in tailpipe. I dropped the exhaust at ma...
June 10, 2011
1997 Ford F-150 5.4L Misfire VIN: 2FTEX18L1V
P0303: missfire cyl. 3. I have a wierd one here. Its missing all over the place but worse under load. I have checked compression, ign. coils and fuel injectors all ok. The thing that is bugging me is the fuel trims. The LT bank1 is +15 and bank 2 is 2+. The upstream O2 on bank 1 is s...
June 13, 2011
2006 Other European Fortwo .8L No Start, Poor Idle Quality, Stall, Misfire, Hard Start VIN: WMEAK00F36
P0303: Cylinder 3 misfire detected. This Smart Car CDI will become hard starting after sitting for a few hours. The injectors are firing and there is exhaust smoke coming out the tailpipe. Once warm the engine runs fine. The coolant temperature is at 20*C right now and I am not seeing any activa...
June 13, 2011
1996 Ford Explorer XLT 4.0L Excessive Emissions, Misfire VIN: 1FMDU32X0T
P0303: Engine Misfire Cylinder 3. Hello techs I replaced the engine a year ago. Has 65,000 miles. My problem started last month with code PO401 which caused multiple misfire codes on #1 #3 & #5. I ran EGR test and Replaced EGR vaccum psi switch. I cleared codes and ran engine thru cycle an...
June 16, 2011
2003 Land Rover Freelander SE3 2.5L Misfire VIN: SALNY12283
P0303: Misfire 3. Car came with tons of fault codes, running badly with no acceleration. Fault codes were for misfires, coil#1 and 3, and malfunction with variable intake system. I replaced all spark plugs and coils, and checked compressions (they were good and constant). I wa...
June 16, 2011
2003 Land Rover Freelander SE3 2.5L Misfire VIN: SALNY12283
P0303: Misfire 3. Car came with tons of fault codes, running badly with no acceleration. Fault codes were for misfires, coil#1 and 3, and malfunction with variable intake system. I replaced all spark plugs and coils, and checked compressions (they were good and constant). I wa...
June 22, 2011
2000 Mitsubishi Eclipse GT 3.0L Misfire VIN: 4A3AC84L0Y
P0303: Cylinder 3 Misfire Detected. Customer said that the vehicle just started missing one morning & the CEL came on. It definitely has a cylinder that is dead. We have checked & tested every thing as listed and cannot find any cause for the miss.Thinking PCM or something specific to th...
June 27, 2011
2005 Ford F-150 XL 4.2L Hesitation, Misfire, MIL Lamp on VIN: 1FTRF12225
P0303: 3 misfire. ... problem.05&06 4.2's.05 came in SES light on.p0353&p0303 stored.did complete tune up,ran fine.came back 2 days later same problem.changed coil pack&shipped.came back a week later,same prob.put oem coil on no help.pulled intake,does not have indi...
June 28, 2011
2000 Mitsubishi Eclipse GT 3.0L Misfire VIN: 4A3AC84L0Y
P0303: Cylinder 3 Misfire Detected. Customer said that the vehicle just started missing one morning & the CEL came on. It definitely has a cylinder that is dead. We have checked & tested every thing as listed and cannot find any cause for the miss.Thinking PCM or something specific to th...
June 28, 2011