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#1
24th May 2012, 07:58 PM
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It's dead...
Hmmm... Driving home today, 2 miles from home... the S8 splutters and dies.
Tank still showing 1/4 tank. No faults. It cranks over fine, tries to start but won't. Added another 8 litres of petrol, no difference. It'll start and run on Easy start but dies as soon as you stop spraying. I'm thinking that the fuel pump has died. MG 
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#2
24th May 2012, 08:22 PM
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bugger! sorry to hear that. Luckily the Yanks come through again.
http://forums.quattroworld.com/a8/msgs/21098.phtml there are more fuel pump posts in that FAQ.
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#3
24th May 2012, 08:34 PM
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Same happened to me and it was the pump. I put a 12v feed straight on the pump contacts and it wouldn't run just to confirm it. Audi only do the whole pump assembly for lots of pounds but new pump was about £150 delivered from other sources.
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#4
24th May 2012, 08:59 PM
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Fuel pump
Changing the fuel pump isn't too bad...making sure it is seated properly is the tricky bit....cos u can't see what u r doing....just be patient and take ur time...or try getting someone to watch from the fuel level sender hole??? Possibly...
__________________
01 Audi a8 fl sport - Grey, Bose, Glass Sunroof, S8 grill/mirror covers/wheels, Aftermarket Exhaust, very quick and lots of fun!!!!!....well I gave it one final push on the pedal to hear that v8 growl and then it was off to a new home..... 99 Audi a8 fl - Silver, Black alcantara seat/ S8 grill/side mirror, MFSW, Solar Sunroof, 17" Monoblocks (for that extra cushion of air), Rnsc, Bose.....great motorway cruiser....now gone to a new home 02 Final Edition S8 - Avus Silver, Extended Leather Pack III, Front & Rear Heated Seats, Servo, Blinds, Rear Seat Entairtainment with Playstation, Bose, Bi Xenons.....now gone to a new home 97 PF A8 4.2 quattro sport - Cashmere Grey, Servo, RNS E, Blinds, Bose, 20 Final Edition Alloys, LPG....sold sadly and will be missed 03 S4 V8 Saloon - Misano red, Manual, Milltek, Bose, Xenons, RNS E - Sold as of Feb 2012
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#6
24th May 2012, 10:29 PM
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Just confirmed that it's the fuel pump.
I managed to get some life from it by hard wiring the feed, checking that the pump had that same feed at the pump connector and then hitting the pump resulted in some noises and enough pressure to start the engine. MG
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#8
25th May 2012, 08:04 AM
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Reseating wsa a worry for me too but the twice I pulled it it reseated no problems. Just carry a can of fuel and beaware around 1/4 tank you could have a moment
 I found alot of the seals were huge when I stripped mine down. A couple of days drying out and they were back to where the should be. I'm guessing the rubber absorbes petrold and makes em grow Strangly Audi don't sell the pump only but only sell a complete seal kit for changing the pump only and complete refurbishment of thge pump assembly. You can't get individual seals which is a bit annoying and expensive.
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#10
27th May 2012, 10:25 AM
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I like the color.
__________________
 2006 Audi A8 D3 Quattro Sport 4.2 TDI - Silver, Family Oil Burner. 2000 Audi A4 Quattro Sport 2.5 TDI - Santorin Blue, S8-Powered DTM Race Car Build In Progress. 2000 Audi A4 Quattro Sport 2.8 30V - Pelican Blue, RS4 Widebody, D3 4.2 01E, High-Spec B5 Build In Progress.
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