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Tag: EGR valve

Business
Engine Spotlight
Cummins’ ISX has been around for more than a decade, but recent changes turn heads for durability and fuel-mileage enhancement.
January 3, 2011
The high-pressure fuel line passes through the cylinder head and connects to the injector of a 2010 15-liter ISX. Since pressure is supplied by the XPI fuel system’s common rail, the injector is no longer camshaft-operated, but just a valve opened and closed by the ECM.
Business
Engine Spotlight
Volvo’s premiere owner-operator engine has a smooth operation that belies its muscle.
November 30, 2010
Tom Meunier hauls expensive cars with this and another Volvo VNL, both powered by D16s, which get as high as 7 mpg.
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