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egr valve

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by vw754, Feb 13, 2007.

  1. vw754
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    vw754 vorsprung Durch Technik

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    [Feb 13, 2007]
    egr has a "shuddle valve" connected to it (black plastic valve on side) this controls the flap inside egr,if this flap does not close or open as it should would the car be using more fuel or be causing starting problems......A4 TDI 2001 (b6) AWX ENGINE.
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