I have never been happy with the mileage my van gets, so I am fixing
it with a TDI..... Fuel is just getting too costly to let your vehicle
get out of tune.   If all else fails check compression?  Low
compression will give worse mileage.  Take the cat off and look inside
with a good light too.

Jason

On Wed, May 2, 2012 at 5:47 PM, Dennis Haynes <d23haynes57@hotmail.com> wrote:
> That Cat may be a smaller diameter/more restrictive than what belongs. While it may reduce performance I don't know if it will affect cruising mileage enough to measure.
>
> Dennis
>
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Bryan Feddish
> Sent: Wednesday, May 02, 2012 4:26 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Still lousy gas mileage
>
>>> Just some possibilties like maybe leaky tired injectors? <<
> Those are new and are 2 years old.
>
>>> I'm only assuming that it's tuned up: cap, rotor, plugs, wires and coil? <<
> All of those are < 6 months old except the coil which is 2 years old.
>
>>> Plugged catalytic converter? <<
> This is on my �maybe� list. it�s a 4 year old cheap BD one. Maybe I should swap this out just in case. I�ve been stranded by a bad cat in the past....
>
> Thanks,
> Bryan