See also:

Engine
Problem Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for exampl ...

Engine number
1. Emission control information plate, including the certification of both federal and Californian emissions standards 2. Engine number (stamped into the crankcase) 3. VIN (on the lower edge ...

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...