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Old 07-20-2021, 09:56 AM
FREE100KSECRET FREE100KSECRET is offline
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PO300 Random Misfire Code, PO302 is open injector circuit

Quote:
Originally Posted by crystalworks View Post
No kidding. So frustrating when an op doesn't post the definitions with the codes. Help us help you.

Edit: I see the "misfire" in the title of the post now. Random misfires are usually vacuum leak related as cn90 points out below. Intake bellows is a good place to start but it can be in so many other places. Smoke test would be the best way to diagnose. Otherwise you'll have to start pulling parts for visual inspections. Good luck.
Sorry, I just assumed most know most of the codes by heart, so I was wrong, the misfire code is probably the most common of all codes, PO302 open injector code is also common, so I made the mistake of assuming most would know what they are related to, will better define problem rather than codes next time.

Thanks
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