Quote:
Originally Posted by cbakking
I have M, but I don't think my inner valve gets open when M button is pressed, since EDC gets turn on automatically when M button is pressed, does it need to be reached certain RPM or gear shifter needs to be on M/S (tabs to left)?
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No. Should open instantly. Check your vacuum line coming from the valves. If they are disconnected or pinched the valve may not open. They may also be seized.