If that's an automatic, you're right on target...

On Mon, May 18, 2009 at 3:21 PM, Dave Arthur <dave.arthur@nscc.ca> wrote:

> I need some opinions... I have just returned from my first 'real' trip with
> our Westy. I was a little shocked at the fuel consumption and yes there are
> no leaks :-)
>
> For 183 km I burned 24.5 litres 13.3 litres/100km. And for my American
> friends ... 17.3 mi/gal (US). I was driving on reasonably flat terrain with
> a maximum speed of 65 mph (105km).
>
> The engine seems to run well, I have the o2 connected, it's new. From my
> days of tuning MG's I'd say she is running rich, but the engine ECU is
> going
> closed loop (I checked the o2 voltage with a high Z DVM, it swings up and
> down) and I'm not entirely sure where I should look for the problem.
>
> The engine idles reasonably well, goes on high idle when started cold and
> drops to a steady 750 when warm. No stalling problems.
>
> My only thought is the Mass Air Flow sensor may be out and or the air
> temperature sender in the MAF.
>
> The pressure regulator seems to work, pressure goes up and down in sync
> with
> the manifold vacuum. I do have a bad check valve in my fuel pump, but can't
> see how this would effect the mixture.
>
> No maybe, this is normal fuel consumption, in which case I'll mortgage the
> house :-)
>
> Dave
>
> '86 Westy
>

--
Jake

1984 Vanagon GL
1986 Westy Weekender "Dixie"

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27