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P0303 Diagnostic Trouble Code Discussion for August 2014

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Ford Ranger Edge 4.0L Misfire, MIL Lamp on VIN: 1FTZR45EX3
P0303: misfire 3. Please help! have 03 Ranger 4.0 sohc customer said started missing driving home from work. checked plugs wore bad, replaced. codes, only codes po303, po306, both rear cylds. are dead. doesn't matter load or idle warm or cold. good spark, good injector pulse, s...
August 05, 2014
2008 Audi A4 Cabriolet 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUAF48H98
car runs perfect when cold and under load. Live data short term fuel trims within spec when running good, seems to be once warmed up short term fuel trim goes all the way to lean 25. with no obvious vacuum leaks. At that point also car will begin to misfire. I...
August 06, 2014
2001 Saturn L300 3.0L Misfire VIN: 1G8JW52R61
P0303: Cylinder 3 Misfire Detected. Car came in with intermittent random misfire. Computer was reprogrammed in past for random misfires by dealer according to tsb. Replaced plugs, coils, and valve cover gaskets. Vacuum at idle is 20in.. Vacuum in drive with ac on is 15in.. Checked for vacuum lea...
August 06, 2014
2001 Saturn L300 3.0L Misfire VIN: 1G8JW52R61
P0303: Cylinder 3 Misfire Detected. Car came in with intermittent random misfire. Computer was reprogrammed in past for random misfires by dealer according to tsb. Replaced plugs, coils, and valve cover gaskets. Vacuum at idle is 20in.. Vacuum in drive with ac on is 15in.. Checked for vacuum lea...
August 07, 2014
2002 Audi A4 Quattro 3.0L Poor Idle Quality VIN: WAULT58E82
P0303: miss fir cylinder 3. Hello Everyone. This car came in with a check engine light. All three cylinders in bank 1 are misfiring. We looked at group 15 on the VAS 5052a and saw all three cylinders miss firing in bank 1 at idle. We looked at group 16 and there are no missfires in bank ...
August 08, 2014
2002 Audi A4 Quattro 3.0L Poor Idle Quality VIN: WAULT58E82
P0303: miss fir cylinder 3. Hello Everyone. This car came in with a check engine light. All three cylinders in bank 1 are misfiring. We looked at group 15 on the VAS 5052a and saw all three cylinders miss firing in bank 1 at idle. We looked at group 16 and there are no missfires in bank ...
August 12, 2014
2002 Saab 9-3 SE 2.0L Misfire, MIL Lamp on VIN: YS3DF78K02
P0303: cylinder 3 misfire. car belongs to my wife, MIL comes and goes with this random cyl misfire code. car runs good, never noticed a miss in it
August 14, 2014
2002 Saab 9-3 SE 2.0L Misfire, MIL Lamp on VIN: YS3DF78K02
P0303: cylinder 3 misfire. car belongs to my wife, MIL comes and goes with this random cyl misfire code. car runs good, never noticed a miss in it
August 15, 2014
2007 Toyota Tundra SR5 4.7L No Start VIN: 5TFRT54107
P0303: Cylinder 3 Misfire Detected. ... diagnostics found p0300,p0302,p0303. Plugs were replaced and coils on 2&3, still have condition, sometimes the Service Engine Soon light will flash, sometimes there will be no codes and sometimes there will be codes. Ran and mo...
August 18, 2014
2009 BMW X6 xDrive50i 4.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 5UXFG83519
P0303: Cylinder 3 misfire detected. ... codes p0300-p0301-p0303-p0304-p0305-p0307 Hesitation and Poor Idle Quality we R/R updated injectors updated coils spark plugs fuel pressure sensor pcm software update after the road test the same misfire code came back we CK the both catalytic converter te...
August 19, 2014