Question about 2003 Subaru Outback
I have 2003 Subaru Outback, 4 cylinder. The check engine light came on indicating a problem with the idle air control valve. I have since replaced the idle air control valve and the PCV valve and also disconnected the battery to reset the computer but I still get the check engine light coming on and off with the same diagnostic code. It will stay on for a short while or a few days and then stay off for days or weeks at a time. Any suggestions would be appreciated.
You may have to take it to a shop and have them connect their OBD tool to the computer and clear the deep memory. If you have a code left in the deep memory it can reapear like that. Good luck. Please rate me so I know how I'm doing. Thanks.
Posted on Dec 30, 2008
I have the Subaru Outback 2003, with the same problem, I have traced it down to the mass air flow sensor, I have cleaned the MAS butterfly from the air cleaner side with MAS cleaner, and use injector cleaner once a month, I still get the light every couple of months but not as often. It was worse when it was wet out. good luck
Posted on Jun 21, 2009
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Posted on Jan 02, 2017
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