2001 Echo - check engine light is on - cause?


Asked by Jan 19, 2016 at 09:06 PM about the 2001 Toyota ECHO 2 Dr STD Coupe

Question type: Maintenance & Repair

4 Answers


Will have to take to a auto parts store like auto zone who will scan the code or codes for you for free.


There can be a bunch of things that will turn on the check engine light, the best thing to do is to find out what the codes are that the computer has stored, that is why the light is on, most parts stores can do this for free, so write then down and repost them back here and someone will jump in and help you with further diagnostics.

Prob needs a new oxygen sensor


Check your PCV valve on top of manifold cover. Also make sure your recirculate and refresh switch inside the car by the heater is in the refresh position not recirculate position.

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