We've seen a few EGR valves flagging after customers have had the update done, but as we replace more EGR valves than cabin filters at the moment it would be difficult to advise whether this is due to the software being a bit keener on EGR diagnosis than previous software versions.
Each vehicle that's flagged an EGR fault including one which flagged as he drove it away from the dealer following the NOx update, have had a "tough shit, nothing to do with the update" response from the dealers.
Best left alone we reckon, the whole sorry affair is bullshit.
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