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Hey, The NOX sensor was repaired under warranty and the EGR cool wasn't as it being blocked is classed as wear and tear and not "sudden failure" which is the criteria for warranty.

Hi guys, I recently had my engine management light come on (the day before my audi extended warranty expired). It was out of hours, so had an Audi Tech come out via AA and audi roadside assist who diagnosed a nox sensor fault and error P200200. I have now had diagnostics done at an Audi dealership who said that it needs a new low-pressure exhaust gas recirculation (EGR) cooler, as it is blocked and a new NOX sensor. I'm waiting to hear if these repairs will be covered under warranty as I was covered when the light came on. Does anyone know if it is covered or have had this repaired under Audi Extended Warranty? The cost of the repairs are: NOX sensor - £1093 EGR cooler - £2456 The dealership don't seem to very helpful so not hopeful they will come back with positive result. If this is the case do I stand a chance of fighting the decision? Any advice appreciated. Thanks

Hi Danial, I have the same error currently with my 2016 A4 2.0 TDI. I have had diagnostics done at an Audi dealership who said that it needs a new low-pressure exhaust gas recirculation (EGR) cooler, as it is blocked. a common issue i believe and tricky to fix requiring 7.5 hours labour. I have been quoted £2500 to repair it at Audi. Does anyone know if it is covered or have had this repaired under Audi Extended Warranty? Thanks