The O2 sensor is not even looked at until the coolant temp is up to ~100-120F and the engine is running for ~1 minute. 

Dennis
	
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Steven Johnson
Sent: Thursday, March 10, 2016 1:07 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Cuts off on startup

It's your oxygen sensor.   The warmup cycle is not working correctly and
that is the
dead give-away.   I'm currently having the same problem and just need to
make an
appointment to get it replaced.

Steven
91 Westy

On Wed, Mar 9, 2016 at 7:18 PM, PB <pbrattan@gmail.com> wrote:

> I've had my 90 Westy automatic since 2007.  Up until this past summer, 
> the van would start up and idle beautifully, and I could drive it right away.
> Now, roughly since this past fall, all of a sudden I have to sit and 
> give it gas for 5 or 10 minutes before I can go anywhere.  After it's 
> "warmed up" it drives perfectly and idles perfectly when stopped.
>
> I've had regular routine maintenance done by mechanics, but this just 
> seems to have started out of nowhere.  What needs to be done?
>
> Patti
> 90 Westy Automatic
> 117,000 miles
> Los Angeles
>
>
> --
>
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