Engine ligh on the dashboard cant go off

Asked by Apr 21, 2011 at 04:24 AM about the Mazda Premacy

Question type: Maintenance & Repair

engine light is constantly on

3 Answers


this could be several things,but the most common causes are bad o2 sensors,catalytic converter plugged,or possibly your gas cap is loose or not holding pressure.You can take it to a parts store and they can run a diagnostic on it to read the codes.

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AT light on dashboard

1 out of 1 people think this is helpful.

It could be several things, but I had this problem too and it was the ERG valve (in a 2.0L DVTD engine, after opening the hood, the valve is just in front of you behind the badget). I had to dissassemble it from the engine and clean it with a spray. http://www.youtube.com/watch?v=ZSKs1WfM70I Clean also the Mass air flow sensor, it's easy. http://www.youtube.com/watch?v=V4UTvXEfZn4

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