Just some background info:

Key On Engine Off:
-Duty Cycle is around 50%. I know it's supposed to be 70%, but quite a few people seem to always show 50% (+/-6v)
-WOT it's around 23% (+/-9.3v)
-Deflect AF Plate and it's around 40% (+/-7v)

I mention this because I've tested both the Throttle Switch & the AF pot and both test ok (AF pot tested slightly out of spec btw 1-2: .85v, where spec is .57-.81v).

Now, if the car has been sitting for very long I will get no change when I deflect the AF Plate. But if I let the car run for a couple of minutes, I get the above reading of 40% (+/-7v).

Any ideas?

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Currently:
1972 350SL Euro 4spd
1973 BMW R75/5
1981 BMW R80GS
1995 FZJ80 with OM606 Conversion In Progress