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Hi everyone I have a problem with my Audi A3 2.0 TDI 170 Quattro. The issue is with 3 exhaust gast temp sensors and today the dpf warning came on. I did a scan with VCDS and got the fault code p2o80 exhaust gas temp sensor bank 1 sensor 1. I changed this this cleared the fault and everything was...

Hi everyone, I need some help with the air con compressor wiring on a Audi A3 1.9TDI. I have a live and earth going into the compressor and when I switch the aircon on the earth switches to a pulsed earth. Is this correct or does the earth switch to live? I don't have a wiring diagram so any...