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Gut the cat, throw engine codes?
Curious, does TDI have o2 sensors? If I gut the cat and straight pipe, will I get engine codes? In leaning towards no because I see no o2 sensors before and after the cat but maybe I'm just missing them? thanks! Sent from my iPhone using Tapatalk- jessmonkey
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- Forum: VW MKIV-A4 TDIs (VE and PD)