Sounds like an O2 sensor.... that's kind of how my old Digifant based 1991
Golf reacted when its sensor went. - Idle would be a bit faster some days,
drank gas.
> wrote in message
oups.com...
> Good point about the battery drain. So it may be an open. I have gone
> through the wiring diagrams. The power from the main fuse comes in on
> pin 23 and then goes out to the indicating light on pin 6. If I can
> figure how to get the harness off the ECU, I'll check for voltage on
> pin 23. I would think I have to have voltage, because if the ECU has
> no power, the car wouldn't run. It does run, pretty well actually,
> although it appears to be eating gas a little bit, and there is no fast
> idle speed when the engine is cold which I would expect.
>