not running below half a tank of gas?

1994 AUDI A8
420,000 MILES • 4.2L • 4WD • AUTOMATIC
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KELLI PAGAR
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  • 1 POST
I've been having issues with my vehicle listed above (220kw) not running below half a tank of gas.
Aug 8, 2022 at 6:20 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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They didn't make an R8 in 1994, so I assume you mean R8? Anyway, if it does run with a 1/2 tank of fuel it means the fuel pump is getting weak or the fuel filter is clogged. here is the location of the filter and I have left instructions on how to change the fuel pump out in the images below. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
Aug 8, 2022 at 5:02 PM
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