I have had the Check Engine light scanned by two different shops and both times it came back as the 02 sensor - I had the O2 sensor replaced in September and both scans were after the installation. One of the shop guys mentioned it is probably a bad ecu and I would need a replacement. I would like to buy a used one off eBay and get it flashed. Anyone go through this? I have a 2004 base AT; thanks for any help/suggestions!
what were the codes?If they were what I think they were, no an ecu isn't going to fix it.Till you post the codes we would only be speculating what is wrong.
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From my understanding these ECUs can't be re-flashed for performance. Now I heard about guys in europe are doing but yet havn't seen any posting on it
05 Matrix XR 4WD and 03 Vibe GT
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