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P0300 Diagnostic Trouble Code Discussion for September 2013

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2003 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GCDT19X63
P0300: Multiple Engine Misfire Detected. whats up gear heads i just changed the lower intake gaskets and had to replace the lower manifold because of pitting in the water port where the gasket makes the seal. i had to remove and reues the spyder injector(the new style with 6 injectors) when i had rea...
September 03, 2013
2006 Nissan Sentra S 1.8L Misfire, MIL Lamp on VIN: 3N1CBD1D06
P0300: Multiple 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
2008 Chevrolet Impala LS 3.5L Misfire, Poor Fuel Economy VIN: 2G1WB58K08
P0300: random multiple misfire. ... engine light just a surge at idle. I checked codes and found a stored p0300. I checked the scan tool data and found a cylinder 4 misfire on a graph. Spark plugs had a large gap and burned up. I checked the spark and cylinder ...
September 05, 2013
2002 Dodge Ram 3500 Truck 5.9L Hesitation, Misfire, MIL Lamp on VIN: 2B7LB31Z92
P0300: Multiple Cylinder Misfire Detected. Customer brought vehicle in with poor power and check engine light flashing. Found codes listed above. Somebody has done a tune up recently. Fuel pressure is around 45 psi and is steady, does not more when under load or idle. After driving van 3-5 minutes it o...
September 09, 2013
2002 Lexus SC430 4.3L Misfire, MIL Lamp on, Sever Lack of Power VIN: JTHFN48Y32
P0300: Multiple Cylinder Misfire Detected. ... calls up and asks for a Trans Flush and P/S Flush, we ask why he's asking for them and he says the dealer recommended them. We set the guy an appointment and he brought the car in. He drops the car off and says "Hey, by the way, I've got this engine l...
September 09, 2013
2009 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2D8HN44E69
P0300: Random misfire. Getting random misfire, number 6 cyl ,and other cylenders randomly . under load accelerating from about 60 k to 75 k.
September 11, 2013
2007 Saturn Ion-2 2.2L Misfire, MIL Lamp on VIN: 1G8AJ55F97
P0300: Random Misfire Detected. ... Saturn and the service engine light randomly comes off and on till yesterday when code p2127 showed up. I am at a loss here so I had her take it to the local Chevrolet dealer and had them look at it. I was assuming it was all ...
September 11, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0300: multiple misfire. ... 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
P0300: Random Misfire. ... 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
2003 Ford Ranger Edge 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZR45EX3
P0300: Random misfire. ... that was brought to me by one of my commercial customers. he was stumped so i got it. and i haven't had any luck with it yet either. it was purchased at auction so there is no known history other than what we have done. here's what it does. it starts up ...
September 13, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0300: multiple misfire. ... 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 GMC Savana 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTGG29R62
P0300: Multiple Cylinder Misfire Detected. Vehicle was brought in with complaint of bucking/making noise. Drove, noted solid CEL in park, once in gear flashing CEL and notable misfire. IAT reading was initially boucing between -38f and 262f with short periods of somewhat normal functioning. Wiggle test...
September 16, 2013
2002 Honda Accord LX 2.3L Misfire VIN: 1HGCG56472
P0300: Multiple 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
2001 Volkswagen EuroVan MV 2.8L Misfire VIN: WV3AB47011
P0300: . ... am not too familiar with the VW's. Vehicle came in with the complaint of an intermittent misfire. I ran the vehicle for awhile and I was able to duplicate the problem. P0300 comes up and it seems 1 or 2 cylinders are missing. If you shut the vehicle off ...
September 16, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0300: Random Misfire. ... 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
P0300: Multiple Cylinder 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
2001 Volkswagen EuroVan MV 2.8L Misfire VIN: WV3AB47011
P0300: . ... am not too familiar with the VW's. Vehicle came in with the complaint of an intermittent misfire. I ran the vehicle for awhile and I was able to duplicate the problem. P0300 comes up and it seems 1 or 2 cylinders are missing. If you shut the vehicle off ...
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
P0300: Multiple Cylinder 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 Volkswagen Passat Komfort 2.0L Misfire, MIL Lamp on VIN: WVWJK73C99
P0300: Random Misfire. We really need some help with this one. We moved everything looking for this miss but come up with no change. Car only misfires the first minute or so of running and always #two cly. We are about ready to take the intake off and move the Injectors but don't ha...
September 20, 2013
2009 Volkswagen Passat Komfort 2.0L Misfire, MIL Lamp on VIN: WVWJK73C99
P0300: Random Misfire. We really need some help with this one. We moved everything looking for this miss but come up with no change. Car only misfires the first minute or so of running and always #two cly. We are about ready to take the intake off and move the Injectors but don't ha...
September 21, 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 Saturn L200 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1G8JU54F43
P0300: Random Misfire Detected. no power, cooling fan comes on and off even though not hot.checked injector spray seems good, swept TPS no drop out . only wierd thing is ST trim is -16 at idle.intake sounds noisy like humming ? hope someone can give me a new idea... it's driving me crazy LOL
September 28, 2013
2006 Chevrolet Aveo LS 1.6L Hesitation, Cuts out, MIL Lamp on, MIL flashing VIN: KL1TD66626
P0300: Engine Misfire Detected. ... customer said ran ok, felt like misfire. Requested tuneup. Pulled ignition wires found spark plug tubes half full of oil. Code P2680-could not find a description on scan tool, IATN, AllDATA, or Google. Replaced plugs, wires, ...
September 30, 2013
2008 Chevrolet Impala LS 3.5L Misfire, Poor Fuel Economy VIN: 2G1WB58K08
P0300: random multiple misfire. ... engine light just a surge at idle. I checked codes and found a stored p0300. I checked the scan tool data and found a cylinder 4 misfire on a graph. Spark plugs had a large gap and burned up. I checked the spark and cylinder ...
September 30, 2013
2003 Honda Element EX 2.4L Misfire VIN: 5J6YH27543
P0300: Random 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
2003 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GCDT19X63
P0300: Multiple Engine Misfire Detected. whats up gear heads i just changed the lower intake gaskets and had to replace the lower manifold because of pitting in the water port where the gasket makes the seal. i had to remove and reues the spyder injector(the new style with 6 injectors) when i had rea...
September 03, 2013
2006 Nissan Sentra S 1.8L Misfire, MIL Lamp on VIN: 3N1CBD1D06
P0300: Multiple 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
2008 Chevrolet Impala LS 3.5L Misfire, Poor Fuel Economy VIN: 2G1WB58K08
P0300: random multiple misfire. ... engine light just a surge at idle. I checked codes and found a stored p0300. I checked the scan tool data and found a cylinder 4 misfire on a graph. Spark plugs had a large gap and burned up. I checked the spark and cylinder had spark. I replaced the spark...
September 05, 2013
2002 Dodge Ram 3500 Truck 5.9L Hesitation, Misfire, MIL Lamp on VIN: 2B7LB31Z92
P0300: Multiple Cylinder Misfire Detected. Customer brought vehicle in with poor power and check engine light flashing. Found codes listed above. Somebody has done a tune up recently. Fuel pressure is around 45 psi and is steady, does not more when under load or idle. After driving van 3-5 minutes it o...
September 09, 2013
2002 Lexus SC430 4.3L Misfire, MIL Lamp on, Sever Lack of Power VIN: JTHFN48Y32
P0300: Multiple Cylinder Misfire Detected. ... calls up and asks for a Trans Flush and P/S Flush, we ask why he's asking for them and he says the dealer recommended them. We set the guy an appointment and he brought the car in. He drops the car off and says "Hey, by the way, I've got this engine l...
September 09, 2013
2009 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2D8HN44E69
P0300: Random misfire. Getting random misfire, number 6 cyl ,and other cylenders randomly . under load accelerating from about 60 k to 75 k.
September 11, 2013
2007 Saturn Ion-2 2.2L Misfire, MIL Lamp on VIN: 1G8AJ55F97
P0300: Random Misfire Detected. Hello everyone. This is my wife's Saturn and the service engine light randomly comes off and on till yesterday when code p2127 showed up. I am at a loss here so I had her take it to the local Chevrolet dealer and had them look at it. I was assuming it was all ...
September 11, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0300: multiple misfire. ... 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
P0300: Random Misfire. ... 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
2003 Ford Ranger Edge 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZR45EX3
P0300: Random misfire. ... that was brought to me by one of my commercial customers. he was stumped so i got it. and i haven't had any luck with it yet either. it was purchased at auction so there is no known history other than what we have done. here's what it does. it starts up ...
September 13, 2013
2011 Toyota RAV4 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2T3BF4DV6B
P0300: multiple misfire. ... 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 GMC Savana 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTGG29R62
P0300: Multiple Cylinder Misfire Detected. Vehicle was brought in with complaint of bucking/making noise. Drove, noted solid CEL in park, once in gear flashing CEL and notable misfire. IAT reading was initially boucing between -38f and 262f with short periods of somewhat normal functioning. Wiggle test...
September 16, 2013
2002 Honda Accord LX 2.3L Misfire VIN: 1HGCG56472
P0300: Multiple 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
2001 Volkswagen EuroVan MV 2.8L Misfire VIN: WV3AB47011
P0300: . ... am not too familiar with the VW's. Vehicle came in with the complaint of an intermittent misfire. I ran the vehicle for awhile and I was able to duplicate the problem. P0300 comes up and it seems 1 or 2 cylinders are missing. If you shut the vehicle off ...
September 16, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0300: Random Misfire. ... 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
P0300: Multiple Cylinder 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
2001 Volkswagen EuroVan MV 2.8L Misfire VIN: WV3AB47011
P0300: . ... am not too familiar with the VW's. Vehicle came in with the complaint of an intermittent misfire. I ran the vehicle for awhile and I was able to duplicate the problem. P0300 comes up and it seems 1 or 2 cylinders are missing. If you shut the vehicle off ...
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
P0300: Multiple Cylinder 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 Volkswagen Passat Komfort 2.0L Misfire, MIL Lamp on VIN: WVWJK73C99
P0300: Random Misfire. We really need some help with this one. We moved everything looking for this miss but come up with no change. Car only misfires the first minute or so of running and always #two cly. We are about ready to take the intake off and move the Injectors but don't ha...
September 20, 2013
2009 Volkswagen Passat Komfort 2.0L Misfire, MIL Lamp on VIN: WVWJK73C99
P0300: Random Misfire. We really need some help with this one. We moved everything looking for this miss but come up with no change. Car only misfires the first minute or so of running and always #two cly. We are about ready to take the intake off and move the Injectors but don't ha...
September 21, 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 Saturn L200 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1G8JU54F43
P0300: Random Misfire Detected. no power, cooling fan comes on and off even though not hot.checked injector spray seems good, swept TPS no drop out . only wierd thing is ST trim is -16 at idle.intake sounds noisy like humming ? hope someone can give me a new idea... it's driving me crazy LOL
September 28, 2013
2006 Chevrolet Aveo LS 1.6L Hesitation, Cuts out, MIL Lamp on, MIL flashing VIN: KL1TD66626
P0300: Engine Misfire Detected. Vehicle came in with mil flashing, customer said ran ok, felt like misfire. Requested tuneup. Pulled ignition wires found spark plug tubes half full of oil. Code P2680-could not find a description on scan tool, IATN, AllDATA, or Google. Replaced plugs, wires, ...
September 30, 2013
2008 Chevrolet Impala LS 3.5L Misfire, Poor Fuel Economy VIN: 2G1WB58K08
P0300: random multiple misfire. ... engine light just a surge at idle. I checked codes and found a stored p0300. I checked the scan tool data and found a cylinder 4 misfire on a graph. Spark plugs had a large gap and burned up. I checked the spark and cylinder had spark. I replaced the spark...
September 30, 2013
2003 Honda Element EX 2.4L Misfire VIN: 5J6YH27543
P0300: Random 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