My money would be on the fuel pressure regulator.

----- Original Message -----
From: "gcarcher" <gcarcher@HOME.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, December 09, 2000 8:31 PM
Subject: I am almost ready to shoot my vaagon!

> Dear vanagon List Members:
>
> My 83.5 Wasserboxer runs better than ever during the 60,000 miles I have
> owned her.
>
> Yet, the MPG has been declining over the last two months - down from 18
mpg
> to 11.5 mpg. No fuel leaks. new Plugs, rotor and distributor cap. Recent
> fuel,  air filter and pump.
>
> New Oxy sensor.
>
> My catalytic converter is empty of any catalyst and the muffler has been
> cleaned out of all catalytic debris. There is a bit more power and cooler
> running engine with a "throaty" exhaust note.
>
> Ignition tuned 3 times in the last 3 months.
>
> Exhaust stinks with partially burned fuel at idle.
>
> Got any Ideas before I pull the trigger0?
>
> Captain Meno.
>