Check Engine light still on after 02 sensor replaced. [Archive] - Toyota MR2 Message Board
Toyota MR2 Message BoardToyota MR2 GenerationsMK 3 MR2 - SpyderPDACheck Engine light still on after 02 sensor replaced.
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- Hello MR2 lovers,
Need help. Check engine light on my 2000 Mr2 is driving me nuts. I had it smog, the light showed up, the mechanic said just replace the 02 sensors and it should be fine. Those were replaced, drove like 12 miles, and the check engine light came back on. What could possibly be another issue.
Here