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P0303 Diagnostic Trouble Code Discussion for February 2020

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Lexus ES300 3.0L Cuts out VIN: JT8BF28G11
P0303: Cylinder 3 Misfire Detected. ... try to drive it there is nothing, wont accelerate at all, back fires out intake also. once it warms up it will drive but it lacks top end like the exhaust is partially plugged or A plugged fuel filter. It sets p0301, p0303, p0305. Its not the vvti sol...
February 03, 2020
2008 BMW 550i 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WBANW53518
P0303: cylinder 3 misfire. This vehicle has strange intermittent lean condition, it only occurs once during drive cycle & only after sitting overnight, it only occurs when temperature is cool out. Engine starts up fine idle stable, but after 1/2 to 1 mile of driving only when co...
February 19, 2020