Fuel pressure

[Tony Hoffman]

Sam,

First of all, I must say it is amazing the odo has
worked that long. 

On to the problem, check the return line if possible.
see if you can blow compresse air or something else
through. There should be no resistance going back.
Then, if that is good, I believe the next step is the
pressure regulator in the fuel distributor. The
frepuency valve may also do part of it. It's been a
while since I've been in there, but I'll check the
manual if you need. Check the wiring that goes to the
frequency valve. It's the thing that buzzes on the
front of the fuel distributor.

Tony Hoffman


--- Sam Letzring <sletz at msn.com> wrote:

> I am the proud owner of a 1986 4000 CSQ with almost
> 500k miles on it- but I
> am having a difficult problem.
> 
> Went out to start it a couple of days ago and it
> sounded like it wasn't
> getting air! FOund a mouse nest in the air cleaner-
> cleaned all that out-
> but it still won't start!
> 
> Started through the checklist in the Bentlry manual-
> and the first check of
> fuel pressure showed > 150 psi instead of the 60-70
> psi expected. This was
> the pressure directly out of the fuel pump - before
> the regulator.
> 
> Has anyone seen this before? Any ideas?
> 
> Thanks
> 
> Sam
> 
> _______________________________________________
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> quattro at audifans.com
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> 



		
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