The name Minneapolis is attributed to Charles Hoag, the city's first schoolteacher, who combined mni, a Dakota Sioux word for water, and polis, the Greek word for city.
EGR valve on top of the inlet manifold of a Saab H engine in a 1987 Saab 90. In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines. EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders.
DPF is an abbreviation for Diesel Particulate Filter and on some French manufacturer vehicles it is also known as a FAP or filtre a Ã . Particules the common symbols on the dashboard: Are A dpf is equipped to most modern diesel engines to take out particles from the exhaust gases of diesel. enginesuring general driving the filter fills up and once it reaches a certain level a 30% - 40% the ECU will at will cause the engine to run with a higher exhaust temperature to burn any collected particles and turn them into soot. This is known as the DPF regeneration cycle.