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P0300 Code SES Light Gone?

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Old Oct 30, 2020 | 07:44 PM
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g35fnatic's Avatar
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P0300 Code SES Light Gone?

03 6mt Coupe here.. So I normally drive my car locally in the streets and decided to take a 3 hour trip out to Massachusetts the other day from NYC. About 1 mile into the drive, my Service Engine Soon light comes on, but my car feels totally normal. I scan the car using the OBD ii machine and it give me two codes: both P0300, except the second one says (PENDING).

I make the drive there and back, and 2 days later after getting back, I start my car one day and my SES Light is gone? I know its a random misfire, so i am not sure what happened and why the light is gone?

I used the OBD ii scanner again even though the light is gone, and it still reads me the code, but this time only one p0300 code, the pending one is gone.

Any idea what I should do? Has this ever happened to anyone?
 
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Old Oct 30, 2020 | 08:05 PM
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andrewl_v35's Avatar
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From: SoCal
04.5 G35 Sedan 5AT
First thing I would do is check/replace the spark plugs.
Try running some injector cleaner too.
 
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