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EGR valve insufficient flow

grahamjf
in Audi A4 (B7) Forum

Featured Replies

Hi all

I took my car to audi to get a diagnostic check done came back as egr valve insufficient flow.
Bought a new siemens EGR valve and I am Still getting the same fault code
The pipe feeding the egr valve has slight oily/sooty coating on the inside which can be wiped off with your finger. No blockages in the pipe.

What else could cause this fault?


2005 Audi A4 2.0Tdi

  • Author

thanks for the reply

Egr delete springs to mind lol

    • Like 1

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