Hi the idle air control valve doesn't work on 300TE 1993 4matic it idles so bad the RPM is 500,no voltage at all on the connector,Does this actuator takes the + battery voltage from the OVP relay and negative from the ground or from the CPU the processor unit,please I need some information Dear Friends and thank you in advance for your cooperation

Does he do this only when warm?

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600SEL '91
300E 4Matic '88
240D '83
280SE '77
350SE '73
The most complex systems can fail in the simplest way.
Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis.

i don't believe in the lord! He's never bought me a Mercedes Benz.

no it doesn't work at all cold and warm,the idle so bad and sometimes engine stop work turn off