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For the first time in a Subaru engine, the centerlines of the cylinder bores do not intersect with the crankshaft axis to reduce friction during the piston downstroke; instead, there is a crank offset of 8 mm (0.31 in). Overall thermal efficiency is 40% due to the adoption of lean-burn combustion with an excess air ratio (λ) of 2. [32]
The FB16 direct injection turbocharged (DIT) engine is the first FB-series engine with a turbocharger, and includes direct injection with an auto stop/start system. It is the base engine in the first-generation (2014–20 model years) Subaru Levorg. The Levorg also has an option for a 2.0 litre direct injection turbo engine, the FA20F.
The cam utilized is selected by the engine control unit (ECU). To select different valve lift modes, oil pressure generated by the engine moves a pin which locks the two lobes together. At low engine speeds the low/mid lift camshafts increases the speed of air rushing into the engine thereby increasing torque and efficiency.
The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. They were introduced in 1989, intended to succeed the previous Subaru EA engine . The EJ series was the mainstay of Subaru's engine line, with all engines of this series being 16-valve horizontal flat-fours , with configurations available for single, or ...
Updates for the 2006 model year included the re-branding of the "Linear" to "2.5i", with its 2.5-liter engine upgraded to 173 hp (129 kW) and 166 lb⋅ft (225 N⋅m). The Aero's 2.0-liter turbocharged engine made way for the higher-displacement 2.5-liter EJ255 turbocharged unit, increasing outputs to 230 hp (172 kW) and 235 lb⋅ft (319 N⋅m).
The active valve control system (AVCS) is an automobile variable valve timing technology used by Subaru. It varies the timing of the valves by using hydraulic oil pressure to rotate the camshaft, known as "phasing", [1] in order to provide optimal valve timing for engine load conditions. The system is closed loop using the camshaft sensors ...
The 2010-2014 Legacy and Outback models offer a six-speed manual as one of the two transmission options in the base 2.5i and 2.5i Premium and is the only option for the Legacy GT model. This transmission is an evolution of the 5MT split-case design, and does not share any parts with the STI's 6MT transmission.
Pages in category "Engine problems" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. B. Back-fire; C.