Check the wiring from engine to ECU.  Use a meter
and go from one end to the other.  I've found breaks
in the wiring to the temp. sensor.  This will cause
your problem.
                                ERic

Richard Golen wrote:

> Hi,
>
>
> The fuel injection system in my 87 Westy has been giving me fits for
> about
> a year now. It started out with it running rich for the first few minutes
> and then it runs ok. Now its running rich all the time. I've replaced the
> thermostat, ground wires...changed the AFM....disconnected the O2 sensor.
> The last thing I'm going to try is to replace the fuel pressure
> control. If
> that doesn't work, I'm throwing in the towel.
>
> I'd like to take it to someone who knows their way around a Vanagon...not
> someone who is going to learn their way around a Vanagon at my
> expense. Bus
> Depot is no longer around....and I hear there is some place in Natick.
>
> Any suggestions???
>
>
> Thanks.
>
> Ric (desperately seeking Vanagon bliss again)
>
>