Seems these DEF tanks are starting to have a lot of problems and they are not cheap and do not appear to be easy to access/install.

Temp and level sensors, not sure if they are one in the same?

Not sure I would be standing in line for a Diesel anything. I have stayed away from them for this long, why take on these headaches now?

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2008 4.8i Black with Tabacco. Black Y-spoke wheels and shadowline trim.