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RE: re Vacuum leak - HELP (resend)
>The whole point of grounding directly to the engine is that some of the
>sensors produce tiny voltages and (in some cases) are very sensitive
>to quite small resistances.
>I suspect if you grounded them to the firewall, the engine would cease
>to function - period.
I should have known better Phil. I assumed a ground was a ground - but
that's like saying a "spark plug" is a "spark plug" in Audi lingo - after
installing a new set of W7DTC Triple Electrodes in my car I now know
1988 Audi 90, 67K mi.
Picture and details online at:
[mailto:email@example.com]On Behalf Of Phil Payne
Sent: Tuesday, February 16, 1999 12:59 PM
Subject: RE: re Vacuum leak - HELP (resend)
In message <000001be59de$9339c0c0$ce6ac8cc@WWICS.wwics.com> "Dan Sinclair"
> Also, has anyone tried grounding the manifold ground wires elsewhere -
> the firewall? That stud is mounted through aluminum with a steel bolt,
> resting on a brass washer from some other component - talk about a crappy
> grounding surface! It's a virtual corrosion magnet!
The whole point of grounding directly to the engine is that some of the
sensors produce tiny voltages and (in some cases) are very sensitive
to quite small resistances.
I suspect if you grounded them to the firewall, the engine would cease
to function - period.
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