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P0300 Diagnostic Trouble Code Discussion for February 2019

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2011 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNKVJED0B
P0300: random misfire. ... P0303, P0008, P0420, running rough due to failed coil. Replaced #3 coil and all spark plugs, told him needed cat but said he'd return for that. The car went about 50 miles and came back with the ck eng light back on, no ...
February 01, 2019
2009 Mercedes-Benz ML550 5.5L Misfire VIN: 4JGBB72E09
Misfire on cylinder 7 and 8. Problem is there is no spark or injector pulse on those 2 cylinders. Both cylinders have good compression. I tried swapping coils, clearing the codes, doing an adaption reset, disconnecting the battery and connecting terminals ...
February 13, 2019
2007 Dodge Nitro R/T 4.0L Misfire VIN: 1D8GU58677
P0300: Multiple Cylinder Misfire. Replease o2 sensor bank one up stream because was always stuck on .89 mili volts .on the misfire data its always 2,4,6 cylinder but it don't feel like a big misfire or lack of power I did remove the rocker arms but they look ok valve spring to not broken c...
February 15, 2019
2005 Ford F-150 King Ranch 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPW125X5
P0300: Mass misfire. Truck came in with misfire code p0300 and p0306. number 6 and 7 misfire, timing chain noise. We replaced coil packs and Motorcraft plugs those two cyl and gave truck back to the customer. It was Towed back in, three days later. again misfire same two cyl 6...
February 15, 2019
2005 Ford F-150 King Ranch 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPW125X5
P0300: Mass misfire. Truck came in with misfire code p0300 and p0306. number 6 and 7 misfire, timing chain noise. We replaced coil packs and Motorcraft plugs those two cyl and gave truck back to the customer. It was Towed back in, three days later. again misfire same two cyl 6...
February 16, 2019
2005 Chevrolet Express 3500 6.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GAHG35U05
P0300: Multiple Cylinder Misfire Detected. Van runs ok in park. Put it in gear and power drops and it starts to misfire on all cylinders on bank 2. Dropped cat and still had same result. While watching scan tool noticed that B2S1 O2 would go to 1100 mv when van was in neutral or drive. In all other...
February 21, 2019