Thanks Dennis.
I need a third copy of a Vanagon Bentley to keep by my computer.
Or I could've looked online    ;)

Image:
http://ww2.justanswer.com/uploads/THEAUDIDOCTOR/2012-06-13_165237_vanagon.gif

I assume Don's version of Digifant (inline 4) uses a similar wiring scheme?

Neil.

On Fri, Jul 25, 2014 at 2:00 PM, Dennis Haynes <d23haynes57@hotmail.com>
wrote:

The Vanagon operates the O2 sensor heater continuously. Since it is so far
> away from the engine it is needed especially for idle and low speed
> operation. It is used on many vehicles to get them into closed loop
> operation as soon as possible. Many vehicles even have heated catalytic
> converters and sometimes other tricks are used to get the cats "lighted".
> On my 1992 600 SEL the transmission upshifts are delayed when cold to get
> the revs up to help get the cats lighted.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Neil N
> Sent: Friday, July 25, 2014 4:02 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: O2 sensors brand quality difference?
>
> Don: .....
>

> Does your version of Digifant use a Heated O2 Sensor (HO2S) relay or
> "module" ?
>
> Looking online it seems it doesn't but if it does....
>

--
Neil n

Blog: tubaneil.blogspot.ca

'88 Westy http://tinyurl.com/c8rlw6p

'81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/

Vanagon VAG *Gas* inline-VR Engine Swap Group:

http://tinyurl.com/d7gd5ej