[s-cars] 94 S4 Won't Start

[Thomas R Green]

I'm with the old guy, Gary.  Jump the connections for the relay and  
check that flow at the filter again.  Usually in a quiet environment  
you can hear the pump run also.  If you can't hear the pump run, or  
someone at the tank doesn't hear it run, give it a few palm slaps on  
the tank bottom.  That could promote pump start and is a lot easier  
than changing the pump in the parking lot.

Hopefully you were just going to dinner and have the whole weekend of  
good skiing while this gets sorted out.  Usually the first item is to  
check for fault codes even if you don't expect that your problem will  
cause a code.  You really can not second guess an Audi.

Tom

On Jan 22, 2015, at 10:34 PM,  Gary L. Meier <b1biker at aol.com> wrote:

> Here's the story. Car started this morning at -5. I drove to the ski  
> area where the car sat for about 7 hours; when I attempted to start  
> it at the end of the day it fired but would not respond to throttle  
> inputs and after about 30 seconds it died. After setting for about  
> 10 minutes I again attempted to start the engine with the same  
> results. At this point I disconnected the fuel line from the tank at  
> the fuel filter and cranked the engine; there was no fuel flow. I'm  
> assuming that the problem is either the fuel pump or the fuel pump  
> relay. Bentley says that I need LED tester US 1115 to check the fuel  
> pump relay and other associated components of the fuel delivery  
> system. I would appreciate any thoughts as to the cause of the  
> problem and how to go about diagnosis. Help will be greatly  
> appreciated.

> Date: Fri, 23 Jan 2015 10:56:36 -0500
> From: Robert Myers <bob.myers25840 at gmail.com>
> To: s-car-list at audifans.com
> Subject: Re: [s-cars] 94 S4 Won't Start
> Message-ID: <54C26F34.6060104 at gmail.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
>
> You can tell if the failure is due to a dead FPR by pulling the FPR  
> ind
> inserting a jumper wire between the two load connectors of the FPR
> socket.  If the engine will start and run you have a dead FPR. If it
> doesn't then the FP itself is the likely culprit.  You can drive the  
> car
> to get home with the jumper installed (assumig that the problem is the
> FPR) just pull the jumper when you stop for more than a couple of  
> minutes.
>
> The last time such a failure happened for me there was absolutely no
> warning.  No noise.  No faltering.  No nuthin'.  It just quit while I
> was doing about 75 on the highway and would not start again.  New FP
> solved the problem.
>
> Bob