[s-cars] 94 S4 relay clicking and cutting out...

[tony.curran at sympatico.ca]

Ignition switch?

Tony
96 S6

> 
> From: thomas.pollock at AMD.com
> Date: 2005/05/31 Tue AM 10:22:25 EST
> To: s-car-list at audifans.com
> Subject: [s-cars] 94 S4 relay clicking and cutting out...
> 
> Hey s-dooods....
> 
> here's the latest on my car problem. Getting kind of old but, car runs fine
> then all of a sudden I get random dash lights, relays in kick panel start
> clicking and motor shuts off. Some times I can fire it right back up and
> other times it turns and turns and nothing... (if the relays are clicking I
> know it's not going to fire)
> 
> This is what I've done so far. Dump codes, nothing caught. Vag it, and the
> blocks I'm familiar with all look ok. Swapped in a known good central
> locking pump/module, no effect, although it does put the alarm indicatot
> light out, swapped in known good kick panel relays, no change, replaced
> ignition switch, no effect, althought the case WAS cracked at the normal
> place so it was just a matter of time. Finally pulled the ecu, cleaned up
> the contacts and re-seated the chips in their sockets.  After this I drove
> the car with "authority" for maybe 40 mins or so and it ran great. Cool...!
> Put it all back together, clean it up a little and attempted to drive over
> to a local Urq wrenching event. Got maybe 5 mins out and the F'n thing dies.
> Relays a clicking. Crank and crank and crank and eventually it fires. Thrash
> it on the way home and it's running AWESOME !  Vag it again, nothing.... 8-(
> 
> I'm running out of guesses. I still think it could be the ecu. anyone near
> central Mass got a loaner I could "rent" ?  Could a failing CPS cause the
> relays to click ?  How about a failing fuel pump ?
> 
> thanks for listening....
> 
> tom.
> 
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