91 100 NF engine...stalls when hot

[Huw Powell]

> On the suggestion about watching the tach when the stalling happens...yes, I
> have watched the tach (neglected to mention that before) and when the car
> first starts to cut out and stall, the tach does not waver at all...it
> continues reading the normal rpm, without fluctuation, until the dash lights
> come on and the engine is off

It's probably not the Hall sender then, the tach is triggered from the 
coil, which depends on the Hall sender signaling the ignition ECU to 
tell it when to fire.

Hard to imagine how vapor lock could occur while running, btw.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/