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P0301 Diagnostic Trouble Code Discussion for April 2024

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2014 Mazda 5 Touring 2.5L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: JM1CW2BL7E
P0301: Misfire 1. The car will go into limp mode & start misfiring. Isolated Cylinder #1. Dropping injector pulse. Car runs normal after restart.
April 19, 2024
2000 Lexus GS300 3.0L Hesitation, Misfire, MIL Lamp on VIN: JT8BD68SXY
P0301: Cylinder 1 Misfire Detected. Hey y'all, got myself a bit of a strange one here. This GS showed up with a complaint of intermittent misfire, customer stated seemed to happen mostly on turns. We've done some work on this vehicle (the customer has as well and he's not really a hack), so ...
April 29, 2024