My engine warning light came on

Question:

My engine warning light came on and the dealer said the 2002 Acura RSX with 99,000 miles needed a $1,000 catalytic converter. I took the car to Auto Zone and they reset the engine warning light after running the diagnostic check. I have driven the car about 200 miles and the engine warning light has not come on again. How long do I need to drive it before everything resets prior to running a new emissions test?

Answer:

Typically if the check engine light was going to come back on it would have by now. Usually there is a secondary cause for converter failure i.e. engine misfire, raw fuel being dumped etc. As to running new emissions test I would have it done so long as check engine light is off. These vehicles are sensor-ed to the point that anything at all pertaining to emissions will trigger the light on.

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