P0300 Diagnostic Trouble Code Discussion for September 2018
Multiple Misfire Detected
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| Help Request | Posted | |
| 2012 GMC Sierra 1500 SLT 5.3L Misfire, MIL Lamp on VIN: 3GTP2WE78C P0300: Missfire 4 cylinder. Hello GMC fans and tech's, we have a miss on 4 that sets a code and light flashes, we swapped spark plugs, and then the coil, made sure both coil and injector were getting a signal from the ECM, swapped injector, did a compression test, also a engine runni... |
September 04, 2018 | |
| 2012 GMC Sierra 1500 SLT 5.3L Misfire, MIL Lamp on VIN: 3GTP2WE78C P0300: Missfire 4 cylinder. Hello GMC fans and tech's, we have a miss on 4 that sets a code and light flashes, we swapped spark plugs, and then the coil, made sure both coil and injector were getting a signal from the ECM, swapped injector, did a compression test, also a engine runni... |
September 06, 2018 | |
| 2002 GMC Savana 3500 5.7L Poor Idle Quality VIN: 1GKHG35R32 P0300: Multiple Cylinder Misfire Detected. Van came into me running very rough and CEL flashing. First things first I pulled codes. Found code for MAF sensor, random misfires, and lean. Monitored the misfire counter. Cylinders #5 and #7 were misfiring bad. Some other cylinders had a few hits b... |
September 19, 2018 | |
| 2006 Kia Sedona LX 3.8L Misfire VIN: KNDMB23356 P0300: Multiple Misfire Detected. ... Questions on a Kia Sedona 3.8. This vehicle is reporting a P0300 around 45-50 mph intermittently, its been very challenging to duplicate and has yet to be duplicated on a test drive. No issues or lack of power identified on test drive and VE tests pe... |
September 23, 2018 | |
| 2006 BMW M5 5.0L Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions, Excessive Emissions VIN: WBSNB935X6 P0300: testing and results. Is the fuel pressure controlled by a pulse-width modulated signal from the dme to the ekp, or is the (pwm) signal created in the ekp. Should i be looking for a (pwm) signal from the dme on pin 22 (green) wire, connector no. X6001 of the dme? does anyo... |
September 24, 2018 | |
| 2002 GMC Savana 3500 5.7L Poor Idle Quality VIN: 1GKHG35R32 P0300: Multiple Cylinder Misfire Detected. Van came into me running very rough and CEL flashing. First things first I pulled codes. Found code for MAF sensor, random misfires, and lean. Monitored the misfire counter. Cylinders #5 and #7 were misfiring bad. Some other cylinders had a few hits b... |
September 24, 2018 | |
| 2002 Jeep Liberty Limited 3.7L Engine light flashes VIN: 1J4GL58K62 P0300: Multiple Misfire Detected. This one is going on the wall of shame.. Lol this car runs great but when driving at about 65 mph. The check engine light starts flashing but i don't feel any misfire. Any help will be appreciated. Thanks in advance |
September 25, 2018 | |
| 2004 GMC Sierra 2500 SLE 6.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GTHK24U24 P0300: Multiple Cylinder Misfire Detected. ... night or about six hours, runs good for about 15 sec. then starts rough idle missing and won't take fuel pops back through air intake, white smoke looks like fuel smoke not anti- freeze, not running hot or adding fluids. After about 5 min. or less tru... |
September 28, 2018 |
