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Another ECM Cat Converter question--same as...
I recently posted a new post about my 2004 Matrix's troubles, so you can find that one, if I leave something out here, but I just read this thread to try to educate myself.
There was a code read on my car saying it was likely it needed a new cat converter and the service advisor also mentioned that the ECM would need reprogramming, but they would look into it first. They looked over the car, then said--yup, needs a cat converter. I said what about the "programming thing"-- and they said, huh, what, no, no recalls on your car, so nothing like that.
My car's engine is the same type as mentioned in this thread--1ZZ-FE. THe cat converter has failed at 70 K miles. (It is a low mileage used car.) The oxygen sensor had also thrown a code and they "cleaned it."
See my other post for more details, but my Matrix is in a "guarranteed" program for the next 8-9 months, so I need them to get to the bottom of this--is there a chance that reprogramming is a waste, and it just needs a new ECM?
I do not really understand too much about such things, so please be patient and help if you see faulty logic in my questions. Thanks.