High idle and service engine soon light
This happened out of the blue. I started my car up and noticed the engine was revving high and the check engine was on. Normally the rpms go down after two or three minutes. I live in Germany so it's cold. I thought it might be dirty air filters. I have stillen gen3 intakes. I cleaned them up and reinstalled. Same thing. I also have stillen high flow cats. And a berk tech exhaust. Any advice?
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