>My '89 100Q reads about 5 bar at idle when cold. Revving pegs
>it. When the oil is warm, it reads about 1.5 bar at idle,
>revving moves it to about 4.5 bar.
So basically I have an indicator problem and have had
since the car was new. What does the gauge receive from the sender, a
voltage or a varying resistance or what?
Tom Brown