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P0300 Diagnostic Trouble Code Discussion for April 2022

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, Misfire VIN: 1GNFK16368
P0300: multiple/random misfire. ... light on for po300 history missfire on #6 and #8. Test drove did not get a misfire fuel trims at idle are around (-6% sometimes would hit -11%) Cruise fuel trims are around 0-3%. when you clear the P0300 drive at 50mph and light throttle with the mess...
April 06, 2022
2009 Chevrolet Silverado 1500 WT 5.3L Misfire VIN: 2GCEK133X9
P0300: multiple cyl misfire. truck started misfiring with check engine light flashing.Did compression test and all cylinders are about 175. checked spark:very strong. Scanner showed steady misfire on cyl. 6.tried a running compression test. First test was 75 lb. on cyl. 6,second test ...
April 23, 2022
2009 Chevrolet Silverado 1500 WT 5.3L Misfire VIN: 2GCEK133X9
P0300: multiple cyl misfire. truck started misfiring with check engine light flashing.Did compression test and all cylinders are about 175. checked spark:very strong. Scanner showed steady misfire on cyl. 6.tried a running compression test. First test was 75 lb. on cyl. 6,second test ...
April 25, 2022
2011 Mini Cooper 1.6L Poor Idle Quality, Stall, MIL Lamp on VIN: WMWSU3C54B
P0300: Random misfire. Thanks in advance for any help! This car came to us from another shop that had removed the valve cover to verify valve timing and poked holes in lots of wires under the hood - ugh. They had replaced the MAF sensor and throttle body (old parts in car). Valv...
April 26, 2022