valve needed

[Brad Sheridan]

Clare Snyder wrote:
> The Bosch CIS with Lambda uses a duty valve in the fuel return line (very
>much like an EFI injector) to control lower chamber pressure separate from
>injection system pressure, by bleeding fuel back to the tank. Lower control
>(lower chamber) pressure translates to higher injection volume. Failure of
>this device would cause lean condition, unless it failed in the open (stuck)
>mode.
>
>The later (K-E Jetronic) version uses a balance valve, which is NOT pwm
>controlled but a basic moving coil type analog device, to vary the pressure.
>This unit also has an aluminum fuel distributor housing, rather than the
>cast iron. It is used on the FOX, made in Brazil and imported to north
>america for several years - as well as other models I have not yet identified.

Other US VW models using KE-Jetronic: Scirocco 16V, GLI16V 1.8L, GTI16V
1.8L, and some of the other A2 models used it I believe.

>This would be my first choice, if I can aquire one at a reasonable cost in
>the near future.

 It shouldn't be too difficult to get a fuel distributor in good shape from
a salvage yard. I've got a decent bit of info on the differential pressure
regulator used on this system at home. I'll dig it up if you're interested.

Brad