Arrrrrrrrgh! Intermittent dead 90q ignition (long)
basicrhetoric at hotmail.com
Fri Aug 9 18:24:35 EDT 2002
your fuel pump relay is purely a magnetic switch, with a fuse in between it
and the fuel pump, if your fuel pump had a short in it and was drawing
excess current it would blow the fuse instead of possibly damaging the
relay, usually a relay is alot cheaper than a fuel pump and is easier to
>From: Kneale Brownson <knotnook at traverse.com>
>To: JShadzi at aol.com, n-engelbert at northwestern.edu,quattro at audifans.com
>Subject: Re: Arrrrrrrrgh! Intermittent dead 90q ignition (long)
>Date: Fri, 09 Aug 2002 12:10:40 -0400
>At 11:16 AM 08/09/2002 -0400, JShadzi at aol.com wrote:
> >[ Picked text/plain from multipart/alternative ]
> >I've had the same exact symptoms in the past with differen Audi's I've
> >owned/worked on, usually a fuel pump relay with a temp releated
> >problem. Try jumpering the fuel pump to power next time it happens, if
> >fires right up, you found the problem.
>You're saying the under-hood temperatures can cause a marginal fuel pump
>relay to malfunction? How about a dying fuel pump also causing strain on
>the relay until it fries?
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