Lately my wagon has developed a strange idle problem. When lifting the foot off the gas pedal the idle drops very slow. I can see a 2-4 sec delay until the idle drops from 1000 to 750. What should I look for?
It has the same feeling like the engine braking on manual transmissions. It is accompanied by a wining noise when down shifts.

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New Addition to the family
2013 Passat TDI 5Miles
2004 E500 4MATIC Wagon 95k
1996 E300 Diesel 173k Sold
1993 300E 2.8 230k Sold
1994 E320 White Wagon 373K Sold
Still dreaming about ....500E


Radu Negru