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D2 A8/S8 (1997 - 2003)
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Bad seals
Posted by: AUTO-UNION.US (6318) on 2017-10-05 05:29:12
In Reply to: **Twist, I feel stupid... posted by 98A8 on 2017-10-04 21:02:52

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The fuel tank in the A8/S8 has compartments of fuel that are emptied by an octopus siphon hose. The seals go bad in the fuel pump system and the siphon doesn't work. The reason it works for awhile when you put fuel in is because there is a basket surrounding the fuel pump that is filled up when you put any fuel in the car. When the basket runs out of fuel, the engine stops again. You can buy the assymbly of rubber orings from the dealer.
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All messages | Search Forums | Return to D2 A8/S8 (1997 - 2003)