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Subject:Re: HELP - No power to fuel pump - 87
From:mark drillock
Date:Wed, 10 Sep 2003 07:39:10 -0700

The AFM has nothing to do with the fuel pump on your model. On air
cooled models it did but not on the watercooled.

The 87 fuel pump is controlled by the ECU. The ECU is connected to the
fuel pump relay and turns the relay on on off as it deems necessary.

If you have a volt meter you can try to track down the problem. You need
a helper to turn the key on and off as the fuel pump does not always
have power. The ECU gives it power for a few seconds when the key is
first turned on and from then on only when the ECU sees hall pulses from
the distributor. Of course a fuel pressure gauge might tell you if you
were barking up the wrong tree.

Mark

Richard Golen wrote:
>
> Hi,
>
> I'm aboiut ready to shoot my 87.....it died a couple of days before
> laborday weekend...thought the problem was the AFM...but it wasnt....got
> the van to run and it ran fine until this morning....
>
> Right now no fuel pressure....no power to pump...swapped out AFM....no
> change....
>
> Relays in little box on dr. side of engine compartment seem to work....and
> I'm getting spark...the Idle Stabilizer is working...engine is
> cranking...but no fuel pressure or power to pump....basically same type of
> symptoms from two weeks ago...
>
> HELP!!! Need the vanagon running to go to Busses by the Bouy this weekend!
>
> Thanks.
>
> Ric