After a long drive I can smell a hot acrid burning smell in the cabin. The exhaust note drops noticeably however only at idle. The car can vibrate ever so slightly too when returning to idle from higher rpms. I have run diagnostics with no faults, and the car was seen by a VAG specialist garage. I changed the EGR valve 5 months ago due to this
Hi everyone:) recently changed the EGR cooler (without EGR, only cooler) on an a6 c7 2.0 tdi 190 hp. The second day i've noticed a lot of troubles. 1. the car is loosing coolant (about 100-200 ml per day, it is losing even if the engine is not working) 2. the car don't have enough power, it feels like 100-110 hp instead of 190 hp. 3. the consumption growth with 1 liter per 100km (it was about
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Its only, normally, two bolts that hold the EGR on so well worth having it off and cleaning it up in my opinion. Or the best option would be to get an EGR Delete done so you don't have to worry about the EGR system anymore and your car will get nice refresh air instead of recirculated exhaust gases. A6 3.0 TDI Le Mans.

Here's info from another thread posted by "low fuel". Ok first you are going to need the gaskets to replace the old ones with: EGR gasket : ETKA PART NO: 03G 131 547 F. EGR cooler pipe gasket: ETKA PART NO: 069 131 547 D. They cost £ 6.00 and your local vw/audi parts dept will have them. Audi Later 3.0 TDI V6 EGR Blanking Kit - Replaces 059131530K. Darkside Developments EGR Blanking Kit for 3.0 TDI Engines (See models below) Please Note: Once blanked off the vehicles ECU will no longer get a signal from the EGR Valve causing the emissions workshop light to appear on the dash board. . 29 47 77 495 405 341 360 46

audi a6 c7 egr valve location