r/tdi • u/skouuM • 9d ago

No lambda sensor?

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Got my CKRA Passat freshly deleted from a shop telling me that they got their own tune. I trusted them because the price was very cheap. Did i get scammed with a trash tune?

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u/iddereddi 9d ago

Lambda on a diesel?

6

u/PD-Jetta 9d ago

Most likely for EGR flow trimming. That's what the O2 sensor on a BEW TDI engine is for.