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Some thoughts.
I did quite a few Demo rides in the TDI this weekend, same route, similar temps, similar loads. The fuel economy in the same spots at the same speeds varies significantly. I wonder if this is a potential cause of the SGII issue?
2) EGR: my intake hasn't been cleaned in 50,000 miles which means it probably is 30% plugged, which may affect EGR flow, which may affect engine "load" which would throw it off as well . . . .
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2016 Tesla Model X
2022 Sprinter
Gone 2012 Tesla Model S P85
Gone 2013 Nissan LEAF SV
2012 Nissan LEAF SV
6 speed ALH TDI Swapped in to a 2003 Jetta Wagon
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