Thread: PO300 Code
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Old 03-20-2017, 12:21 PM   #1 (permalink)
LifeOfaZ
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Join Date: Mar 2016
Location: Austin
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Drives: 13 370z mdnght bl m6
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Default PO300 Code

So recently I installed Berk resonated test pipes and it sounds great but the car is idling erratically.
It idles at 1000-1100 rpm when warm and every so often it drops to ~800 rpm then goes back up.
The code it's throwing is PO300. Any suggestions on where to start ? The car run fine once I get up to speed but it seems slower than normal.
What should I do?


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