rvac99 Posted June 24, 2009 Share Posted June 24, 2009 Has anyone had to replace or reprogram the ECM? I've got codes for circuits that test fine, temp gauge fluctuates, sometimes it will idle smooth other times it will run on two cylinders. Plugs indicate rich condition. 2000 OBW EJ25 engine. Link to comment Share on other sites More sharing options...
Legacy777 Posted June 27, 2009 Share Posted June 27, 2009 What codes do you have show up? How do you know it's running on two cylinders? Link to comment Share on other sites More sharing options...
rvac99 Posted June 27, 2009 Author Share Posted June 27, 2009 Legacy777, I've been working on this issue for a while. Please view the threads titled P0341, p0340. I've been banging my head against the wall on this one and I had a feeling early on that the ECM was bad. I've got a bad one in my Chevy and I've worked on other cars that had them go bad. None of them were Subarus of course so that is why I posted the question. Thanks Link to comment Share on other sites More sharing options...
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