Tankbuster
Well-known member
I think I'm going to get the TDI fix for my 2011 TDI with 145000k miles, but when I was washing my car I stuck my finger up the tail pipe and wiped it. Every time my finger would have black ash, smut like stuff on my finger tip. Never have had a lick of trouble or any engine lights or sign of any engine problems so does this mean my DPF has a crack or is going bad? If it is going bad would VW reject a fix until I got a new DPF. Thanks for any help.