[s-cars] Fuel pump photo and relay links

[Mark Strangways]

Yeah, I had a check valve issue.
Blew some compressed air into it (carefully) and it went away.

Mark
----- Original Message ----- 
From: "Fred Munro" <munrof at sympatico.ca>
To: "Steve Powers" <sbpowers at gmail.com>; "S-Cars" <s-car-list at audifans.com>
Sent: Tuesday, August 02, 2005 7:27 PM
Subject: Re: [s-cars] Fuel pump photo and relay links


> Hi Steve;
>
> Sounds like the problems I had with the Type 44's when the fuel pump check
> valve went bad. Hard hot start but it would run if you got it going. I 
> made
> up a fuel pressure gauge that bolted to the banjo fitting on the outlet of
> the fuel filter to check whether the system would hold pressure after the
> fuel pump stopped. At one point I was running two check valves in series 
> on
> my '86 5ktq to get the dang things to hold.
>
> I'm not aware of any check valve issues with the UrS cars, but I suppose
> anything is possible.
>
> Fred Munro
> '94 S4
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Steve Powers
> Sent: August 2, 2005 12:59 AM
> To: S-Cars
> Subject: Re: [s-cars] Fuel pump photo and relay links
>
>
> I said:
>
> On 7/28/05, Steve Powers <sbpowers at gmail.com> wrote:
>> thanks to Dave, Sean, Paul et al for all of the assistance. I've got a
>> new fuel pump and have a relay coming later this weekend. I should be
>> able to close this chapter soon.
>
> so now with a fresh fuel pump and a new fuel pump relay, we still have
> the same no start symptoms. however, we have verified it will run if
> it ever gets started.
>
> how did we do that? we tested to see if we had spark (we did) and got
> the car sputtering on ether. a second shot allowed it to actually run.
> we had the car idling for 30 minutes. I'm pretty sure the ether was
> long gone. <g>
>
> still no codes with VAG-COM.
>
> so we've got fuel and the car will run, assuming we can get it
> started. why can't we get it started?
>
> it turns over
> it runs and appears to make power (will verify tomorrow w/ test drive)
> it just won't start (without ether)
> replaced fuel pump
> replaced fuel pump relay
> replaced fuel filter
> unplugged MAF (runs better with it plugged in, so it appears to work)
> performed SJM output test (everything clicks and wiggles)
> tried a different ECU with same results
>
> anything else I might look at?
>
> thanks!
>
> Steve Powers
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