OK then thanks big DOC, on which cars is the answer NO? What about W201s with the dual-fuse type OVP or with ASD - on these can/does the OVP partly fail taking out only some systems?

I am referring specifically to my ASD. I have a much too high resistance between the computer and the ASD operating solenoid valve. Have checked the resistances of sensor, every wire, and ONLY the OVP lies in the circuit to be causing the high resistance. Yet my ABS works perfectly and cold starting is not as awful as with a bad OVP (but not great - I'm saving that one for another thread)

cheers matey,

Russell

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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg