Thread: OBD Codes
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Old 01-29-2017, 12:05 PM   #1 (permalink)
Amj2020
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Default OBD Codes

Hey guys...I have a quick question.

My car has been sitting for a few months since its winter, and I just moved. Today I tried to go out for a drive and the idle was really rough it sounded like my exhaust was hiccuping and the car was rocking during idle, and dropping RPMs in all gears including neutral and park. The car will not accelerate properly, and I was afraid to push it very hard because its barely moving without a huge struggle.

I plugged my ODB in and I got the codes po300 and po305.

The car only has 4000 miles but is a 2012 and has had regular maintenance

The gas has been in the car for a few months but not so long I would think it would cause issues.

Could the spark plugs go bad from just getting older???

I had the car serviced when this first happened by the garage that did all my work and they said they didn't see anything wrong with it. They played with the tune and said I Was good to go, the problem started again immediately. Car is full bolt ons but and a tune but thats about it.

Any input is appreciated as I just moved and dont have a garage I know or trust around here.

Thanks in advance!
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