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P0300 Diagnostic Trouble Code Discussion for January 2022

Multiple Misfire Detected

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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2005 GMC Sierra 1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on, Boggs VIN: 1GTEC14X15
P0300: Multiple Cylinder Misfire Detected. ... temp. Notice cats were rattling and at times bank 1 exhaust would run cool. Replace cats and cleared exhaust and now exhaust syst is clear. Veh still opperating poorly. Scanned and found b1s1 code p0132 stuck high/rich. I noticed with veh running...
January 05, 2022
2007 Chevrolet Silverado 1500 WT 5.3L Misfire VIN: 2GCEK13M27
P0300: Multiple Cylinder Misfire Detected. Truck has intermittent misfire occuring when hot that comes on with acceleration - hard to produce in bay with engine torquing. During fault condition Stabilitrak warning light comes on dash and misfire counter registers thousands of misfires on cyl 7 with...
January 07, 2022