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P0303 Diagnostic Trouble Code Discussion for September 2013

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2006 Nissan Sentra S 1.8L Misfire, MIL Lamp on VIN: 3N1CBD1D06
P0303: Cylinder 3 Misfire Detected. vehicle was towed in for a crank no start no communication with pcm found bad connection in harness suppling power to pcm repaired and found fuel pump was inop, replaced fuel pump when the car started ran poorly replaced spark plugs also had 1 bad coil recomme...
September 04, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0303: 3. ... in with p0300, p0301,p302,p303 and p304. Cleared codes. 1st drive MIL flashes and engine misses, (excessive fuel/cataylst damaging condition)p0301 and p0171. watched fuel trims in the bay, they would swing from over +20%...
September 11, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0303: Misfire cyl. 3. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 12, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0303: 3. ... in with p0300, p0301,p302,p303 and p304. Cleared codes. 1st drive MIL flashes and engine misses, (excessive fuel/cataylst damaging condition)p0301 and p0171. watched fuel trims in the bay, they would swing from over +20%...
September 13, 2013
2002 Honda Accord LX 2.3L Misfire VIN: 1HGCG56472
P0303: Cylinder 3 Misfire Detected. car came in about three weeks ago with a miss cond. same three codes came up and it was missing at the time, replaced spark plugs and cured the miss. car came in today with a miss and the same three codes for misfire, replaced spark plugs , did not fix it. I h...
September 16, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0303: Misfire cyl. 3. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 17, 2013
2002 Toyota Camry LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4T1BF32KX2
P0303: Cylinder 3 Misfire Detected. Car starts up and runs a little rough but not terrible. After idle for about a minute runs a little better but not perfect. Car has low power when driving at all times. Do not feel a strong misfire. Sometimes will pop back through intake like running too lean....
September 17, 2013
2008 Mini Cooper S 1.6L MIL Lamp on VIN: WMWMF73558
This vehicle came into me misfiring on all cylinders, runs very rough all the time. Checked fuel pressure @ tank 45psi. checked high pressure fuel on scanner and it sits around 680 - 700 at idle. spec says its around 725psi(doesnt say how much tolerance)Lab sc...
September 18, 2013
2002 Toyota Camry LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4T1BF32KX2
P0303: Cylinder 3 Misfire Detected. Car starts up and runs a little rough but not terrible. After idle for about a minute runs a little better but not perfect. Car has low power when driving at all times. Do not feel a strong misfire. Sometimes will pop back through intake like running too lean....
September 18, 2013
2001 Volkswagen EuroVan MV 2.8L Misfire, MIL Lamp on VIN: WV3AB47011
Ok I would like to thank you all in advance for this one... I have been pulling out my hair on this. I am not too familiar with the VW motors and this one is really throwing me for a loop. Its a VR6 DOHC. Van came in with customer stating that it intermittent...
September 20, 2013
2009 Smart Fortwo Brabus 1.0L No Start VIN: WMEEJ31X49
Hey all you Smart techs out there. Have a smart car here that has a long crank, hard start when cold. when it starts it runs rough and clears up and runs good for the rest of day. I have cleaned throttle body, and it doesn't matter if you use the throttle duri...
September 27, 2013
2003 Honda Element EX 2.4L Misfire VIN: 5J6YH27543
P0303: Cylinder 3 Misfire Detected. All Repairs made no change. Next step is to check Exhaust Valve Clearance. But wanted to put on here and get some feedback before went any futher. Thanks
September 30, 2013
2006 Nissan Sentra S 1.8L Misfire, MIL Lamp on VIN: 3N1CBD1D06
P0303: Cylinder 3 Misfire Detected. vehicle was towed in for a crank no start no communication with pcm found bad connection in harness suppling power to pcm repaired and found fuel pump was inop, replaced fuel pump when the car started ran poorly replaced spark plugs also had 1 bad coil recomme...
September 04, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0303: 3. ... loud noise" upon start up. Came in with p0300, p0301,p302,p303 and p304. Cleared codes. 1st drive MIL flashes and engine misses, (excessive fuel/cataylst damaging condition)p0301 and p0171. watched fuel trims in the bay, they would swing from over +20%...
September 11, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0303: Misfire cyl. 3. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 12, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0303: 3. ... loud noise" upon start up. Came in with p0300, p0301,p302,p303 and p304. Cleared codes. 1st drive MIL flashes and engine misses, (excessive fuel/cataylst damaging condition)p0301 and p0171. watched fuel trims in the bay, they would swing from over +20%...
September 13, 2013
2002 Honda Accord LX 2.3L Misfire VIN: 1HGCG56472
P0303: Cylinder 3 Misfire Detected. car came in about three weeks ago with a miss cond. same three codes came up and it was missing at the time, replaced spark plugs and cured the miss. car came in today with a miss and the same three codes for misfire, replaced spark plugs , did not fix it. I h...
September 16, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0303: Misfire cyl. 3. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 17, 2013
2002 Toyota Camry LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4T1BF32KX2
P0303: Cylinder 3 Misfire Detected. Car starts up and runs a little rough but not terrible. After idle for about a minute runs a little better but not perfect. Car has low power when driving at all times. Do not feel a strong misfire. Sometimes will pop back through intake like running too lean....
September 17, 2013
2008 Mini Cooper S 1.6L MIL Lamp on VIN: WMWMF73558
This vehicle came into me misfiring on all cylinders, runs very rough all the time. Checked fuel pressure @ tank 45psi. checked high pressure fuel on scanner and it sits around 680 - 700 at idle. spec says its around 725psi(doesnt say how much tolerance)Lab sc...
September 18, 2013
2002 Toyota Camry LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4T1BF32KX2
P0303: Cylinder 3 Misfire Detected. Car starts up and runs a little rough but not terrible. After idle for about a minute runs a little better but not perfect. Car has low power when driving at all times. Do not feel a strong misfire. Sometimes will pop back through intake like running too lean....
September 18, 2013
2001 Volkswagen EuroVan MV 2.8L Misfire, MIL Lamp on VIN: WV3AB47011
Ok I would like to thank you all in advance for this one... I have been pulling out my hair on this. I am not too familiar with the VW motors and this one is really throwing me for a loop. Its a VR6 DOHC. Van came in with customer stating that it intermittent...
September 20, 2013
2009 Smart Fortwo Brabus 1.0L No Start VIN: WMEEJ31X49
Hey all you Smart techs out there. Have a smart car here that has a long crank, hard start when cold. when it starts it runs rough and clears up and runs good for the rest of day. I have cleaned throttle body, and it doesn't matter if you use the throttle duri...
September 27, 2013
2003 Honda Element EX 2.4L Misfire VIN: 5J6YH27543
P0303: Cylinder 3 Misfire Detected. All Repairs made no change. Next step is to check Exhaust Valve Clearance. But wanted to put on here and get some feedback before went any futher. Thanks
September 30, 2013