Hey, i recently picked up a 2008 A6 estate. The car has been running immaculately well for its age and mileage. However i have recieved the dreaded EML, the code is the P0405 code. This relates to the EGR sensor. This is causing the ECU to not know how open or closed the egr valve is and its givi In 260,000 miles I never had a clogged EGR. To check the EGR port, start the engine, disconnect the end of the vacuum tubing at the plastic rigid tubing (but keep the end at EGR). Suck air and if the engine stalls, the EGR passage is OK, the vacuum is the problem. Then disconnect the EGR from IM and exhaust and clean it. Service type Exhaust Gas Recirculation/EGR Valve Replacement: Estimate $540.54: Shop/Dealer Price $665.78 - $978.27: 2007 Audi A6 V6-3.2L: Service type Exhaust Gas Recirculation/EGR Valve Replacement: Estimate $626.15: Shop/Dealer Price $776.47 - $1187.99: 2001 Audi A6 V6-2.8L: Service type Exhaust Gas Recirculation/EGR Valve Replacement Location: Essex; Audi Model:: A6 C7 Avant 2.0 tdi; Audi Year: 2016; Share; If the mapping is working ok just buy another EGR valve and fit it and leave it there DIY 4.2 PCV replacement. Thought I would include a few simple pictures to document the PCV valve replacement. Straightforward and simple, but didn't see a specific one for the D4s out there. Assembly is the opposite of removal, so I didn't include notes on that part. First- got the valve from ECS tuning. Just replaced EGR cooler, now leaking coolant every trip, help? | Audi-Sport.net. Audi Forums A4 Series. I have just successfully managed to replace the EGR cooler and connector pipe on my '07 2.0 170 quattro. Hurrah! As you can imagine, doing this incurred a Audi 90 / 80 / Coupe quattro / Cabriolet - EGR valve removal - I unsuccessfully attempted for several hours to get the EGR valve out of my 1997 Cabriolet. I was able to get the two bolts out holding the EGR valve to the engine, however I could not get a wrench in to remove the piping from the bottom of the valve. No. A: Fused function: 1: 5: Heater element, left washer jet Heater element, right washer jet: 2: 10: Hazard warning light switch: 3: 5: Glove box light: 4: 5: Number plate light: 5: 10: Oil level/oil temperature sender Compressor regulating valve, air conditioning system High pressure sender Tiptronic switch Tyre pressure monitor control unit Bulb monitoring device Mobile phone operating AVrifaA.

audi a6 egr valve location