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EGR valve the top of box 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 (NO x) emissions reduction technique used in petrol/gasoline, diesel engines and some hydrogen engines. [1]
Four-cylinder gasoline models were not marketed in the United States. The V8-powered sedans/saloons were named 400 E/500 E from 1990 to 1993, and E 420/E 500 after 1993. Likewise, the 3.0-liter cars (e.g. 300 E) were also re-badged to E 320 with the new 3.2-liter M104 engines and naming rationalization of 1994. For the diesel models, the name ...
BMW N47 is a four-cylinder common rail diesel engine that has many improvements over its predecessor, the M47. In 2014 it was replaced with the B47. The USA market never received B47 engine. The only B diesel engine in the US received was the B57 (6 cyl) in the 2018 model 540d. The newest 4 cylinder diesel in the US was N47TU.
The Mercedes-Benz OM642 engine is a 3.0 litres (2,987 cc), 24-valve, aluminium/aluminium block and heads diesel 72° V6 engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the Mercedes straight-5 and straight-6 cylinder engines. [1] By 2010 a BlueTEC version of the Mercedes Sprinter OM642 was released.
The Mercedes-Benz OM648 engine is a 3.2 Litre, straight-6 4 valves per cylinder, cast iron block diesel engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the previous Mercedes-Benz inline-5 and -6 engines. The engine features common rail fuel injection and a variable nozzle turbocharger. The injection system ...
Daimler introduced BlueTEC in the Mercedes E-Class (using the DeNO x system) and GL-Class (using SCR) at the 2006 North American International Auto Show.At that time, these BlueTEC vehicles were 45- and 50-state legal, respectively, in the United States (a 45-state vehicle does not meet the more stringent California emission standards that have also been adopted by four other states).
It is the replacement to the previous V6, [3] in order to maintain the cost of production between different engines. The OM656 has dual overhead camshafts with variable valve timing , and uses AdBlue injection and exhaust gas recirculation to reduce emissions. [ 4 ]
The W210 E-Class carried over the 4-speed 722.4 and 722.3 automatic transmissions along with the optional 722.5 5-speed automatic, all from the previous generation W124 E-Class. For the 1997 model year, Mercedes-Benz installed an electronically controlled, new-generation automatic gearbox (NAG): the 722.6 5-speed automatic transmission to ...