Hmmmmm I read that thread before but it does'nt contain any actual readings when testing the diode.
heres the testing proceedure-
Quote:
1. Remove OVP relay
2. Use approved multimeter. Set to diode testing
3. connect (+) testing probe to terminal 31
4. connect (-) testing probe to terminal 30
5. nominal value is 0.4V to 1.5V
6. if nominal value is not attained, check 10A fuse or replace OVP
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Whats a nominal value?
I have no ABS so that "tell-tale" is absent,
the symptoms are consistent - I have poor starts in warm weather
on a cold engine and I have a poor idle which has recently developed. I'm going to disconnect the EHA potentiometer in the morning and see what happens and check various vacume connections. The aux air device (AKA idle control valve I think?) might also be worth checking. I just wish these parts were easier to get at!
Mike.