[T3] cool weather idle hunt

Mike Fisher fisherfarms at gmail.com
Tue Jan 10 10:20:57 PST 2017

Sounds like Dave Hall, who has seen all types of VW problems before has
nailed Daniel's miss?

On Tue, Jan 10, 2017 at 5:46 AM, Dave Hall <dave at hallvw.clara.co.uk> wrote:

> ***********************************
> When replying, please consider trimming your message. Thanks! :)
> ***********************************
> It certainly sounds like voltage-related problem.  I've heard of quite new
> Type 3s running poorly when the Heated Rear window was on.  I doubt that
> ever happens now they've mostly gone high-resistance,but the 380W generator
> is pretty close to maxed out in those conditions when running at higher
> rpms, let alone idling, and the demand from the FI is significant.  Hi
> output bulbs or standard 45/45?  I'd not thought of the load of side-lights
> etc, but maybe LED bulbs there could help when conditions are that
> marginal.
> Dave.
> UK VW Type 3&4 Club
> ===================
> -----Original Message-----
> From: type3-vwtype3.org [mailto:type3-vwtype3.org-
> bounces at lists.vwtype3.org]
> On Behalf Of Daniel Nohejl
> Sent: 10 January 2017 00:49
> To: type3 at vwtype3.org
> Subject: Re: [T3] cool weather idle hunt
> (Trimmed!)
> I have noticed, though, that this hunt ALWAYS happens when driving in
> traffic with the headlights on: thus it mostly happens at night or on rainy
> or snowy days. It SOMETIMES happens under other conditions, but I haven't
> logged enough of them to report back anything of interest.
> I have a little cigarette lighter voltage meter and I've plugged it in
> during this hunt but haven't seen any voltage numbers I haven't seen
> before.
> With the headlights on in traffic, the voltage can drop as low as 11.5 but
> it comes back up to about 13.8 or more once I get back on the gas which has
> long been the case.
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Eugene, Oregon

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