Question about 2000 Toyota ECHO

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Engine light stays on , how to correct it ?

Engine light stays on ! oil is always looked after and air filter is changed as well

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  • denc Jul 31, 2008

    The steps I've completed are: cat coonverter and exhaust system replaced, I cleaned the maf sensor. this light came on about a month after work was completed. the light was out when I picked the car up from the dealer.

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Hi there!

There may be a problem with the Catylist, O2 lambda sensor, or mass airflow sensor.

You would be advised to have these units tested. A simple metod is just to take it to a tune-up shop, as they will be able to analyize exhaust gasses, and test the required outputs.

Hope this helps you.

Posted on Jun 15, 2008

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