Mollie Slater. Honda. October 19th , 2017.
The 2018 Honda Odyssey 3.5-liter V6 engine meets the tough EPA Interim Tier 3/Bin 125 and CARB LEV3/ULEV-125 emissions standards, and is certified to this level of emissions performance for 150,000 miles. Numerous advanced technologies are factors in the emissions performance. The unique cylinder head-mounted close-coupled catalytic converters light off quickly after engine start up, and a 32-bit RISC microprocessor within the Electronic Control Unit (ECU) boosts computing power to improve the precision of spark and fuel delivery. The engine features Programmed Fuel Injection (PGM-FI) that continually adjusts the fuel delivery to yield the best combination of power, low fuel consumption and low emissions. Multiple sensors constantly monitor critical engine operating parameters such as intake air temperature, ambient air pressure, throttle position, intake airflow volume, intake manifold pressure, coolant temperature, exhaust-to-air ratios, as well as the position of the crankshaft and the camshafts.
In a first for Odyssey, Honda Active Shutter Grille system located below the front bumper reduces aerodynamic drag especially at cruising speeds, directly helping to improve fuel efficiency. Included on all 2018 Odyssey trims, the system uses an electric actuator controlled by a processor that tracks major temperature parameters, including engine coolant and radiator temperatures, intake air temperature, transmission oil temperature and air-conditioning requirements, all of which can vary due to weather, road conditions, vehicle speed, throttle and gear positions, and towing activity. The system either opens or closes the four shutters simultaneously to control the amount of air flowing through the engine radiator and the air conditioner condenser. The system is designed to keep the shutters closed as much as possible - even in city driving.
Along with acoustic spray foam applied in 14 critical locations, all Odyssey trims feature triple door seals and Active Noise Control technology to help prevent unwanted noise from reaching the passengers. While all trims benefit from thicker front and rear door glass, Elite receives acoustic front/rear door glass and adds an additional carpet barrier layer, acoustic fabric fender liners, additional slide door insulation, and rear wheelhouse insulators.
The Honda Odyssey Drive-by-Wire throttle system replaces a conventional throttle cable with smart electronics that "connect" the accelerator pedal to a throttle valve inside the throttle-body. The result is less under-hood clutter and lower weight, as well as quicker and more accurate throttle actuation. Plus, a tunable "gain" rate - the relationship between throttle pedal application and throttle opening - offers improved drivability and optimized engine response to suit specific driving conditions. Honda Drive-by-Wire throttle system establishes the current driving conditions by monitoring throttle pedal position, throttle valve position, engine speed (rpm) and road speed. This information is used to define the throttle control sensitivity that gives the Odyssey throttle pedal a predictable and responsive feel that meets driver expectations.
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