Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Rich mixture/excessive fuel use
Date:Thu, 6 Jun 2002 10:58:05 -0500

On Thu, 6 Jun 2002, David Beierl wrote:

> At 11:19 AM 6/6/2002, joe@cedar.net wrote:
> >I am getting about 10-12 MPG on the Hwy with my '83 1.9L
> >watercooled FI Vanagon, less in town. The exhaust smells
> >extremely rich.
>
> Typical behavior if O2 sensor bad or shorted.  Unplug it, measure voltage
> on harness side -- should be near 0.5v.  If not, shield probably shorted to
> internal wire at connector or in harness somewhere.  If ok, run without
> sensor for a bit

Replaced the O2 sensor.

> >Engine runs OK. Timing seems to be correct,
> >though I have no notch on my pulleys and used a ^ shaped mark on
> >the flywheel and centered it in the timing hole.

Will look more, so I should not vbe using the flywheel at all
for setting timing?

> I have serious doubts about this.  The pulleys come from the factory with
> the vee-notch and circular notch on them.  Even a replacement pulley has
> the TDC circular notch.  Dennis Haynes undoubtedly knows whether there is
> any timing info on the flywheel other than the little magnet that triggers
> the VW sender -- but I've never heard of there being any.
>
> david
>
> --
> David Beierl - Providence, RI
>   http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage"
> '85 GL "Poor Relation"
>
>