P0300 Diagnostic Trouble Code Discussion for August 2021
Multiple Misfire Detected
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| Help Request | Posted | |
| 2006 Chevrolet Trailblazer LT 4.2L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GNET16S66 P0300: Multiple Engine Misfire Detected. Towed in by customer. Will start and run but miss on cylinders 4 and 5 all times. Compression, spark, fuel all seem good. Seems to run better when vacuum leak is added. Sensors seem to be reading ok on data, fuel trim staying good, Doesn't run well enough ... |
August 03, 2021 | |
| 2009 Other GM Barina 1.6L Cuts out, Misfire, MIL Lamp on VIN: KL3SA08619 P0300: Random cylinder misfire detected. At random time the CEL will come on and sometimes the HOLD light will come on and the car misfires, pulled the codes and checked the fuses. Installed some fuses and main relay which were missing, drove it overnight but the same problem. No idea how the car... |
August 03, 2021 | |
| 2004 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on P0300: Multiple Cylinder Misfire Detected. ... it has a P0300, looked at history counts and cyl 1 and 4 have the highest counts. Cleared the code and started vehicle up and at idle I am getting random misfires on all cyl but 1 and 4 are higher, idle acts like its fighting itself, looked at cam ret... |
August 08, 2021 | |
| 2013 Chevrolet Cruze Eco 1.4L Misfire, MIL Lamp on VIN: 1G1PH5SBXD P0300: Misfire--History counts on cylinder 4. Vehicle is consistently counting misfires on cylinder #4. The engine does NOT feel like it is misfiring. The only times the misfire counts up on cylinder #4 is under VERY LIGHT throttle application. Around 900-1000 RPM. It will occur while the vehicle is n... |
August 18, 2021 | |
| 2017 Chevrolet Silverado 1500 LT 5.3L Misfire, MIL Lamp on VIN: 3GCUKREC0H P0300: Random misfire. ... with an intermittent flashing CEL on. Pulled codes and had a history code for P0300. Customer stated that the truck had a P0302 and he replaced #2 ignition coil, plug wires and spark plugs. Vehicle runs great when driving normally but when accelerating... |
August 25, 2021 | |
| 2017 Chevrolet Equinox L 2.4L Misfire, MIL Lamp on VIN: 3GNAXHEV6K P0300: Random misfire. First off this is actually a 2019 with a 1.5, option was not available. Towed in with complaint of idling bad and not accelerating. Found oil low 2 quarts and a large leak from front crank seal. Replaced seal and let run, found misfire counters going up on... |
August 25, 2021 | |
| 2015 Audi Q5 Premium 2.0L Misfire, MIL Lamp on VIN: WA1CFBFPXF P0300: Random Misfire. Hello all. Our Audi came in counting misfires on cylinder 2. I believe all stored codes were caused by the misfire with the exception of the oil pressure switch code which has not re-set. The misfire is intermittent, occasionally we see a misfire at idl... |
August 31, 2021 |
