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First take a look if the ABS light is on, if yes, check your OVP relay.
You do not adjust the Idle Air Control as it is controlled by the computor.
(a) adjust co (b) then adjust idling.wish u luck!
By using a tool box open the location and remove it to replace it with a new one
You don't, it is done electronically.
Startat 1 1/4 turns from seat and adjust for best idle
Could be a number of reasons. Visit www.mercedes190.co.uk
It ain't adjustable. It's controlled by ECU.
You can not adjust the idle screw, it is sealed off at the factory. If you are having a high idle problem check for a vacuum leak or a bad idle air control valve. These will commonly cause a high idle.
by the set screw on throttle cable
You adjust idle with idle timing
Adjust idle on Mitsubishi diamante