[s-cars] Non S-car start problem

[Bares, Vittorio]

I just went through this with a new to me S6 Avant - replaced then entire lead.

Symptoms looked like either a starter or a switch - but at the end of the day it was a corroded positive lead.

Vittorio -


-----Original Message-----
From: s-car-list-bounces at audifans.com [mailto:s-car-list-bounces at audifans.com] On Behalf Of Michael Wakefield
Sent: Wednesday, February 08, 2012 11:17 AM
To: jerryscott at wispertel.net
Cc: s-car list
Subject: Re: [s-cars] Non S-car start problem

It could also be that the positive cable from the battery has corrosion creeping up it, causing low voltage whenever there is a high current flow, as when cranking. I had this problem years ago, and the corrosion was about 6 inches up the cable, and it wasn't obvious by inspection. I spliced in a new section, and all was well.
Mike Wakefield
93S4
GT-30, 6-speed, etc

On {February8}, at 8:50 AM, "" <jerryscott at wispertel.net> wrote:

> It could be those those auto reset fuses at the ECU that don't always reset in cold weather.  Replace them with standard blade fuses.
> Jerry
> 
> --- vfugman at globaldialog.com wrote:
> 
> From: "Varon H. Fugman" <vfugman at globaldialog.com>
> To: <seanupchurch at comcast.net>,	"'S-car-list'" <s-car-list at audifans.com>
> Subject: Re: [s-cars] Non S-car start problem
> Date: Tue, 7 Feb 2012 19:21:27 -0600
> 
> Might be a bad electrical connection somewhere such that voltage to 
> the ECU is too low while cranking so it doesn't even try to run.  When 
> push/pull/coast starting the electronics get full battery power so it 
> starts.
> 
> Would be interesting to see if it starts with a jump start... one 
> doesn't typically think of that when it seems to be cranking OK, but 
> that extra boost could be enough to give the ECU enough voltage to do its thing.
> 
> But ignition switch is a good guess also.
> 
> Varon
> 
> 
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