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P0300 Diagnostic Trouble Code Discussion for February 2018

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2009 Dodge Ram 1500 Sport 5.7L Hesitation, Poor Fuel Economy, low power VIN: 1D3HV13T69
P0300: Random missfire. This Ram has a significant flat spot on acceleration from a stop. it has been to the dealer and a couple other independent shops. when reviewing recorded scan data i noted the O2 sensors don't go lean nor do the fuel trims show any significant correction. ...
February 03, 2018
2002 Acura MDX Touring 3.5L Misfire VIN: 2HNYD18692
P0300: Random Misfire Detected. Problem fist flared up about three months ago, I would have a slight miss at the first stop light. By the next light, no more problem. About two months ago, the service engine light would come on(PO300), along with VTM-4 light. About a week ago, on the hig...
February 07, 2018
2015 Chevrolet Tahoe LT 5.3L Misfire VIN: 1GNSK3EC0F
P0300: misfire. hey guys got this tahoe with the listed codes car is owned by a local fire dept did a carbon clean procedure codes came back fuel pressure is good any ideas thanks!
February 08, 2018
2006 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: KM8SC13E36
P0300: Multiple Misfire Detected. ... after customer requested a tune up. replace spark plugs and wire set as the customer requested. afterword's the PCM is throwing p0300-p0306, randomly throwing codes and taking them away. car is not misfiring when this hap...
February 08, 2018
2001 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG16481
P0300: Multiple Misfire Detected. ... repair, died once while driving towed back to shop started right up TCS and check engine lamp on code p1676 and multiple misfire p0300 were present check for spark at coils no spark present . suspect ignition switch' ...
February 10, 2018
1996 GMC C3500 Sierra SL 7.4L Misfire VIN: 1GDJC34J9T
P0300: Multiple Cylinder Misfire Detected. ... a complaint of "smelly exhaust" and check engine lamp on. Scan test showed P0300 and P0305 logged in freeze frame data. Freeze frame showed misfire was a cruise, 61 mph @ 2300 rpm. Misfire counter goes into the thousands in cylinder #5 only ...
February 12, 2018
2013 Infiniti QX56 5.6L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: JN8AZ2NF0D
P0300: Multiple cylinder misfire. Vehicle towed in due to running really rough, ran well for us @ first them started running badly, Truck is dumping fuel and running extremely rich, runs well on the road but is always running rich, Sensors reading proper info, reading rich condition, Good ...
February 14, 2018
2013 Infiniti QX56 5.6L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: JN8AZ2NF0D
P0300: Multiple cylinder misfire. Vehicle towed in due to running really rough, ran well for us @ first them started running badly, Truck is dumping fuel and running extremely rich, runs well on the road but is always running rich, Sensors reading proper info, reading rich condition, Good ...
February 15, 2018
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1AK15F06
P0300: Random Misfire Detected. ... in October 2017 car gets towed over customer complaint, she just got fuel and the car running bad and couldn't drive it over here. check codes, p0136, p0138, p0300, p0442. road tested car no problem found, car ran great. after a week I removed all tes...
February 19, 2018
2003 Chevrolet Silverado 1500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEC19VX3
P0300: Multiple Cylinder Misfire Detected. scanner shows bad miss on cylinders #1 and #7 with a minor miss on #3 and #5. #2,4,6,8 are not affected at all. after the above repairs swapped injectors and coils with no change. We did an exhaust back pressure test which is way to hi 4-6psi an idle and 1...
February 23, 2018