WOT boost

[Huw Powell]

> Figuring out how to monitor
> the O2 sensor would be a good next step.  If the O2 sensor oscillates around
> 0.5V in normal driving and at idle, then it is likely working correctly.  At
> WOT, if it shows rich, then the problem is likely ignition.

it had better be rich at WOT - that's the whole point of the switch, to
make it go open loop and run richer.

>  If it shows
> lean, then fueling is likely the problem.

or an inactive WOT switch.

> An analog volt meter with a 2V scale should do it, as long as the road is
> smooth and you have a buddy doing the reading.
>
> Some of the old Idle/WOT switches are supposedly flaky, even if they test
> correct on-the-bench.  You may want to wire up a switch that lets you set
> WOT from the passenger compartment, and see what happens if you have a good
> WOT signal.

good idea...

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/