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FUEL RETURN VALVE? ANY IDEAS?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by vw754, Mar 1, 2007.

  1. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 1, 2007]
    Does the A4 TDI (B6) 2001 onward have a fuel return valve fitted?
    I.E. stops fuel/diesel returning to the tank,once engine is switched off.
    (NON RETURN VALVE)
    #1
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