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P0303 Diagnostic Trouble Code Discussion for April 2013

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Ford F-150 XL 4.2L Poor Idle Quality, Misfire VIN: 1FTRX17293
P0303: cyl 3 misfire. I need help iv been trying to fix this truck for a week now it came in missing bad I thought it was plugs and wires but I tested it its not its misfiring on cylinders 2,3,6 only I changed the plugs anyways it made no difference I changed the fuel injectors sti...
April 02, 2013
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: YS3FB49SX3
P0303: misfire 3. ... months. Battery was dead. Charged the battery and tested ok. Vehicle ran rough checked for codes and found p0303 stored in T8 module. Swapped coil to another cylinder and found midfire followed coil. Replaced coil with new coil...
April 05, 2013
2002 Honda CR-V LX 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: SHSRD68412
P0303: Cylinder 3 Misfire Detected. This car when sold will go to high idle and as it gradually comes down it will start misfiring an eventually stall, I can keep it running with my foot on the gas but act like its in fail safe when revved above 2500 rpm's. I put the crank pulley on the white ma...
April 09, 2013
2004 Saturn Vue Red Line 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63424
P0303: Cylinder 3 Misfire Detected. i have checked timing marks twice, checked valve adjustment,install denso iridium plugs, and still check engine light for misfire
April 10, 2013
2003 Saturn Ion-2 2.2L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G8AJ52F13
P0303: cylinder 3 misfire. Good evening to all This vehicle came to shop missing really bad.I hooked up modis and came up with misfire on 3 and large evap leak checked compression in all cylinders it is 175 lbs.,replaced coil pack (battleship),plugs,module,and coil pack boots.Disconnect...
April 13, 2013
2003 Audi Allroad Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YD64B93
P0303: cyl 3 misfire. This audi came in a few months back with collided valves into pistons destroying the bottom end, we installed a used low mileage long block engine into it and It ran fine for a few days but noted when fully accelerated to the floor WOT under maximum boost and ...
April 17, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0303: Cylinder 3 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH71U27
P0303: Missfire Cyl 3. This is our first time on a 2.8 V6 with what appears to be a mechanical problem. It would appear that the code would be set by a timing chain problem. Has anyone seen this on an engine with 50K on it. In trying to decide how to work up estimates the labor guid...
April 22, 2013
2002 Toyota Sequoia SR5 4.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 5TDBT44A62
P0303: Cylinder 3 Misfire Detected. Vehicle came in with only one code to my knowlege. Another Tech had the vehicle. Had to replace drivers side manifold due to O2 sensor crossthreaded. After replacing manifold and oxygen sensor this thing drove fine but when you let it idle would develope a mis...
April 24, 2013
2003 Ford F-150 XL 4.2L Poor Idle Quality, Misfire VIN: 1FTRX17293
P0303: cyl 3 misfire. I need help iv been trying to fix this truck for a week now it came in missing bad I thought it was plugs and wires but I tested it its not its misfiring on cylinders 2,3,6 only I changed the plugs anyways it made no difference I changed the fuel injectors sti...
April 02, 2013
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: YS3FB49SX3
P0303: misfire 3. ... months. Battery was dead. Charged the battery and tested ok. Vehicle ran rough checked for codes and found p0303 stored in T8 module. Swapped coil to another cylinder and found midfire followed coil. Replaced coil with new coil...
April 05, 2013
2002 Honda CR-V LX 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: SHSRD68412
P0303: Cylinder 3 Misfire Detected. This car when sold will go to high idle and as it gradually comes down it will start misfiring an eventually stall, I can keep it running with my foot on the gas but act like its in fail safe when revved above 2500 rpm's. I put the crank pulley on the white ma...
April 09, 2013
2004 Saturn Vue Red Line 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63424
P0303: Cylinder 3 Misfire Detected. i have checked timing marks twice, checked valve adjustment,install denso iridium plugs, and still check engine light for misfire
April 10, 2013
2003 Saturn Ion-2 2.2L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G8AJ52F13
P0303: cylinder 3 misfire. Good evening to all This vehicle came to shop missing really bad.I hooked up modis and came up with misfire on 3 and large evap leak checked compression in all cylinders it is 175 lbs.,replaced coil pack (battleship),plugs,module,and coil pack boots.Disconnect...
April 13, 2013
2003 Audi Allroad Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YD64B93
P0303: cyl 3 misfire. This audi came in a few months back with collided valves into pistons destroying the bottom end, we installed a used low mileage long block engine into it and It ran fine for a few days but noted when fully accelerated to the floor WOT under maximum boost and ...
April 17, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0303: Cylinder 3 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH71U27
P0303: Missfire Cyl 3. This is our first time on a 2.8 V6 with what appears to be a mechanical problem. It would appear that the code would be set by a timing chain problem. Has anyone seen this on an engine with 50K on it. In trying to decide how to work up estimates the labor guid...
April 22, 2013
2002 Toyota Sequoia SR5 4.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 5TDBT44A62
P0303: Cylinder 3 Misfire Detected. Vehicle came in with only one code to my knowlege. Another Tech had the vehicle. Had to replace drivers side manifold due to O2 sensor crossthreaded. After replacing manifold and oxygen sensor this thing drove fine but when you let it idle would develope a mis...
April 24, 2013