Date: Mon, 6 Mar 2006 01:45:06 -0600
Reply-To: Max Wellhouse <maxjoyce@IPA.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Max Wellhouse <maxjoyce@IPA.NET>
Subject: Re: permanent fuel pressure gauge
In-Reply-To: <000101c640a8$15bc6770$e1e4fe42@jbeauliexp>
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I've done just as you've described a year ago with the additional step of
taking my oil temp gauge and adding water temp to it. Bought a generic
VDO water temp sender at Napa of all places for like $12and took a brass T
fitting with male hose barbs and spliced it into the long skinny hose in
the engine compartment. When you do the fuel pressure sender connection,
make sure you use the same hose as the fuel rails have on it and two VERY
high quality hose clamps. I used a 1" piece and clamped it right on the T
connector where the test equipment is spozed to hok up. Fins a safe place
for that stainless steel screw you will remove. I put mine in the dash ash
tray.
Now I will do the same thing to my 87 Audi 4kq except I''ll need a higher
reading Oil pressure gauge and senders as the 5 cyl does fuel pressure
closer to 85-90 psi.
DM&FS
At 04:56 PM 3/5/2006, you wrote:
>Hello,
>
>It is easy enough to rig a temporary fuel pressure gauge to diagnose engine
>problems, but this doesn't help you when your driving down the road and it
>starts acting up. Wouldn't it be nice to be able to monitor the fuel
>pressure in real-time? What about installing a VDO pressure sender in the
>fuel rail and then running it up to the oil pressure gauge? My oil pressure
>gauge goes up to about 5 bar, which is about 70 psi. This would work great
>for the fuel system which runs around 32 psi. The only other addition would
>be a switch to toggle between the fuel pressure and oil pressure senders.
>For those of us who already have an oil pressure gauge installed this would
>be a pretty painless addition since the senders are pretty cheap.
>
>Any thoughts?
>
>Thanks,
>Jake
>
>-----Original Message-----
>From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf Of
>Roger Van Till
>Sent: Sunday, March 05, 2006 5:14 PM
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: intermittent stumbling, stalling etc
>
>Have you checked fuel pressure AND flow?
>Is your CHT sensor good? You can check that with a meter at different
>temps (ambient air vs. after a hot water bath).
>
>Roger
>
>On Mar 5, 2006, at 2:50 PM, jake beaulieu wrote:
>
> > Hey everyone,
> >
> > Alright, I have an 82 air cooled Vanagon, Federal model, so no O2
> > sensor to
> > worry about. When running the van will unexpectedly begin to totally
> > bog
> > down, total loss of power, barely able to keep it running. If I let
> > up on
> > the accelerator it will die. When restarted it will continue to do
> > this for
> > 1-10 minutes, then all of a sudden it will run fine again. 5 minutes
> > down
> > the road it will do it again. Sometimes it only last about 30
> > seconds, then
> > runs excellent again. So it is an intermittent problem, a very
> > frustrating
> > type of gremlin to chase. I have spliced new terminals to all of the
> > fuel
> > injection grounds (including the tranny to chassis ground). I am not
> > sure
> > where to look next. If it is some sort of intermittent short in the
> > wiring
> > it could be anywhere! Any ideas out there?
> >
> > PS. The AFM checks out according to Bentley
> >
> > Thanks,
> > Jake
> >
>
>
>
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