4kq fuel pump relay question & O2 sensor reading
human747 at attbi.com
Tue Dec 3 23:33:09 EST 2002
> Don't know anything about O2 stuff for this car but the fuel system I now
> know. The fuel pump will stay on for about 2 sec after you turn OFF the car
> to pressurize the system for the next start. It does not turn on until you
> start cranking.
Well, it's *supposed* to come on for a second or so when you switch to
"run" before "start."
It does seem, as pointed out, to be a very variable feature, though.
Must be the first part of the fuel pump relay to break...
More information about the quattro