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Old 11-01-2019, 04:35 PM   #4
NicMonte
Scooby Newbie
 
Member#: 479655
Join Date: Dec 2017
Location: Omaha Ne
Vehicle:
2002 Impreza wrx
Black

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Quote:
Originally Posted by Easyy View Post
No, I didn't know resetting it was a thing lol. I usually drive an obd1 car so im used to dumb ecus lol. I will go try this now. And yeah, could be prosport, I'm just trying to recall it off the top of my head.



And the misfire, I'm pretty sure that its caused by the lean idle, its very lopey and rough at idle but instantly smooths out once driving.


After my Jdm swap on an 02wrx I had very similar issues.

I replaced front o2, maf. Fuel filter.(none worked)

Replaced injectors and fuel pressure regulator. This fixed the issue. I had the same symptoms. Also I would check your IACV this might be the issue for the looping idle(possibly).
Although, a boost leak could create similar symptoms.
Hope this helps
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