Last post on Jan 04, 2008 at 12:10 PM
You are in the Subaru Impreza Maintenance & Repair
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#6 of 7 Re: Impreza Oxygen sensor problem [wingman54]
Jan 04, 2008 (9:55 am)
or a junkyard ecu could be put in easily. The replacement is relatively simple IIRC.
Jan 04, 2008 (12:10 pm)
I checked with car quest and confirmed that the correct oxygen sensor was used. They said that it was actually made by Denso and is oem. Also, the mechanic confirmed that he had already checked the resistance on the wires from the O2 sensor to the ECM. It appears to me that the problem is in fact the ECM. The ECM is $500 from Subaru. A rebuilt one was not any cheaper unless I send mine in to have it rebuilt, so I think I am going to have to go back to a Subaru dealer. The car was purchased in November 2000 and has 55000 miles so it would be just past it's 7 year/70,000 warranty period. I am going to try and see if Subaru will cover it anyway.