23R7 Emissions recall campaign

[feenix74]

I feel your pain VW2. I too am curious whether the "flow transformer" will improve performance/fuel economy of my VW Caddy 1.6l TDI with original software map. However my curiosity is tempered by this article How The Volkswagen 'Flow Straightener' Really Works which I interpret to mean that, without the updated software, the flow transformer may have no impact because the improved MAP readings are about more active EGR operation not improved fuel metering.

[boris]

Fitting the flow transformer without the software update will lead to air mass meter faults as it will take the measurement's outside of the engine map parameters. The same is also true if you perform the software update but do not fit the flow transformer.