Re: [T3] Running hot

["Dave Hall" <dave@hallvw.clara.co.uk>]

It can be fuel lines allowing air through tiny pores that fuel doesn't get
through.  Pressure drops off gradually if everything in the system is good.  It
sometimes takes me a while to get myself started in the mornings - probably
longer than the car!
You can sometimes hear the bubbles going back into the tank when the pump runs
if that's the problem.

Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
------
----- Original Message ----- 
From: "Doug Brashear" <dougbrashear@yahoo.com>
To: <type3@vwtype3.org>
Sent: Thursday, June 22, 2006 2:39 PM
Subject: RE: [T3] Running hot


> Interesting...I have more or less the same issue. N the morning I generally
have to turn the key on/off a few times to bring the fuel rail up to pressure
before my car starts. I was never able to determine that there was airin the
lines...I just thought proper pressure was needed, or maybe my fuel pump was
fading.
>
> My engine (stock 73 FI engine, manual tranny) also seems to run on the hot
side, though I've never taken a temp reading.
>
> Is there a chance that a fading fuel pump is the issue, and to get the fuel
the engine things it needs I'm further down on the throttle than I should be,
letting in more air and creating a lean situation? I checked my fuel pressure
and it was right around 30...give it a few more PSI?
>
> Hopefully th collective knowledge on this group can solve the problems Mark
and  are experiencing.
>
> Thanks!
> - Doug
>
> _____________________
> Doug Brashear
> dougbrashear@yahoo.com
>
> -----Original Message-----
> From: "Mark Healey" <marksvw@healeyonline.com>
> To: type3@vwtype3.org
> Sent: 6/22/06 2:23 AM
> Subject: [T3] Running hot
>
> I've had problems with my car running hot for some time now.  I've tried
> several pressure sensors.  The one I have in now is still sealed.  I've
> checked the fuel pressure, OK.  I did the resistance checks on the temp
> sensors, OK.
>
> One weird thing.  Somehow air seems to get into the fuel lines.  If I
> just get in after the car has set for a day or so it takes about 10
> seconds to start.  If I run the fuel pump without starting the car for
> that 10 seconds it fires right up.
>
> Could enough air be getting into the fuel lines to cause it to run lean?
>
>
> -- 
> Mark Healey
> 71 FI Manual Square
> marksvw@healeyonline.com
>
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