This is regarding mb 88 300e high rpm at cold start and rpm goes up to 1500 and come down to stall car. I did check my ovp fuel relay new cis sensor new spark plugs new ignition wires new rotor and disterbuter cap, and car still having high idle . If i disconnect icv . rpm stay around 4to 500 rpm . i was reading some post saying that icv is connected to tps . i would be really thankful for any expert advice on this issue . and also getting code 4 which is link to mass air flow sensor. On these cars their is no mass air flow sensor , if there is any can someone please tell where to look for