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P0300 Diagnostic Trouble Code Discussion for May 2023

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2016 Ford F-550 Super Duty XLT 6.8L MIL Lamp on VIN: 1FD0X5HY0G
P0300: random misfire. ... we put a new engine in. now when you drive it under heavy load the check engine light flashes then goes off and sets a p0300.the vehicle has ran ok and we cannot find any misfires. we have replaced all of the oxygen sensors, crank sensor, cam sensor, ...
May 01, 2023
2015 Chevrolet Silverado 1500 LT 5.3L Misfire, MIL Lamp on VIN: 1GCVKREC8F
P0300: missfire. I have not duplicated the missfire yet but counts high on # 5.With mpfi I would pin out injector circuit and check pulse with noid light, and ohm out injector. Looking for direction as being first dfi, injectors are not accessible and there is high voltage...
May 05, 2023
2019 GMC Terrain SLE 1.5L Misfire, MIL Lamp on VIN: 3GKALTEV0K
P0300: Engine misfire detected. Vehicle came to shop with a misfire on cylinder #4. Technician diagnosed as a failed fuel injector, fuel injector sticking open and flooding cylinder. Spark plug fouled and wet from fuel, camera into cylinder and can see fuel pooling in cylinder from injec...
May 06, 2023
2013 Jeep Wrangler Unlimited Rubicon 3.6L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1C4BJWFG6D
P0300: multiple cylinder misfire scanner shows cyl 2 4 6 at idle. ... sensors from dealer, and oil filter changed oil, still has rough idle when first start up and gas smell out tailpipe. Has codes p06dd comes and goes hard code p0019 p0300 shows misfire at idle cyl 2, 4 ,6 for a few min. after start up then smooths out ...
May 30, 2023