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Dreaded P0300

Interesting development after resting the code a few times and driving at quarter to half throttle till I can get it tuned the code changed from multiple misfire to o2

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Dreaded P0300

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10-30-2011, 12:34 AM	#4 (permalink)
oro Base Member Join Date: Dec 2009 Location: Arizona Posts: 192 Drives: G37S Rep Power: 16	Interesting development after resting the code a few times and driving at quarter to half throttle till I can get it tuned the code changed from multiple misfire to o2 sensor, bank 1 sensor 1, I'm assuming when I'm on part throttle the flow isn't enough to screw with fuel trims but when the car is somewhat pushed it screws with the A/F and causes the random misfire.

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