The diagram below nicely summarizes the impact of lambda sensors on
fuel injection management:
Without them,
fuel injection management is essentially flying blind and has to resort to other less - desirable means to determine how much air and fuel need to be mixed.
Not exact matches
Plan on direct
fuel injection, variable valve timing, and active
fuel management (cylinder shutdown) to keep the pushrod V - 8s in play.
The PCM monitors critical input to control
fuel injection, ignition, emission and other engine
management functions.
The clean - sheet fifth - generation small - block maintains the pushrod legacy while integrating a host of new technologies, such as direct
injection and standard cylinder deactivation (marketed as Active
Fuel Management), which work in tandem to deliver outstanding real - world fuel econ
Fuel Management), which work in tandem to deliver outstanding real - world
fuel econ
fuel economy.
The direct -
injection engine features active
fuel management and continuously variable valve timing.
Problems like this are addressed in Charles Probst's excellent reference, Bosch
Fuel Injection & Engine
Management.
All engines get redesigned combustion systems, with gas direct -
injection, continuously variable valve timing and cylinder deactivation, which GM calls Active
Fuel Management.
If this hole isn't plugged up, it can and will throw off the
fuel -
injection management; resulting in poor
fuel economy and / or lumpy throttle at best.
The amount of compensation is commonly referred to as «
fuel trim» (because the
fuel injector pulsewidth is controlled («trimmed») by the
fuel -
injection management).
Chevrolet claims that the Suburban will be the most
fuel - efficient model in the full - size SUV class, thanks to tech such as direct
injection and active
fuel management (cylinder deactivation).
ENGINE, 6.2 L ECOTEC3 V8 with Active
Fuel Management, Direct
Injection and Variable Valve Timing, includes aluminum block construction (420 hp [313 kW] @ 5600 rpm, 460 lb - ft of torque [624 N - m] @ 4100 rpm)(STD)(L86)
Engine, 6.2 L EcoTec3 V8 with Active
Fuel Management, Direct
Injection and Variable Valve Timing, includes aluminum block construction (420 hp [313 kW] @ 5600 rpm, 460 lb - ft of torque [624 N - m] @ 4100 rpm)
ENGINE 5.3 L FLEXFUEL ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT DIRECT INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction with Flex Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(
FUEL MANAGEMENT DIRECT
INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction with Flex
Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(
Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(STD)
Leather Seats, Bluetooth Connection, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION, JET BLACK; PERFORATED LEATHER - APPOINTED FRONT SEAT TRIM, QUICKSILVER METALLICThis vehicle includes a Money - Back Guarantee * and passed our precise inspection process.
You can customize your content with audio, weather and more; featuring Apple CarPlay and Android Auto capability for compatible phone; 5 USB ports and 1 auxiliary jack, TRANSMISSION, 6 - SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow / haul mode (STD), ENGINE, 5.3 L V8 ECOTEC3 WITH ACTIVE
FUEL MANAGEMENT, DIRECT
INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb - ft of torque [518 N - m] @ 4100 rpm)(STD).
All of these engines are fitted with three technologies aimed at improving
fuel economy (which is where the 3 in the EcoTec3 name comes from): direct
fuel injection, continuously variable valve timing, and active
fuel management, better known as cylinder deactivation.
US cars sold from 1972 through 1975 used the Bosch D Jetronic
fuel injection system, an early electronic engine
management system.
Engine
management for the turbos was by Saab Trionic 5 with Direct Ignition (SDI) and Automatic Performance Control, and for non-turbos by Bosch Motronic
fuel injection.
The sophisticated power unit engine features high - pressure common - rail
fuel injection with piezoelectric injectors, a variable nozzle turbine (VNT) turbocharger, a variable swirl system and an uprated engine
management system for optimum combustion efficiency.
It also features a direct
fuel injection system and Active Cylinder
Management.
ENHANCED DRIVER ALERT PACKAGE, 3 rd Row Seat, MOLDINGS; BODY - COLOR BODYSIDE, LPO; WHEEL LOCKS; SET OF 4, Bluetooth Connection, BLUE VELVET METALLIC, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; CLOTH SEAT TRIM, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
2.64 imp gals engine oil, 28 litres / 6.16 imp gals coolant, DME (Digital Motor Electronic) engine
management for the ignition,
fuel injection and camshaft adjustment, electronic ignition with solid - state distributor (six ignition coils), sequential multipoint
fuel injection.
SUN; ENTERTAINMENT AND DESTINATIONS PACKAGE, DRIVER INFORMATION CENTER; ENHANCED; 8» DIAGONAL MULTI-COLOR RE-CONFIGURABLE DISPLAY, Leather Seats, Navigation System, 3 rd Row Seat, MAX TRAILERING PACKAGE, Lane Keeping Assist, LPO; WHEEL LOCKS; SET OF 4, Keyless Start, Bluetooth Connection, Cooled Front Seat (s), EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; PERFORATED LEATHER - APPOINTED SEAT TRIM, SATIN STEEL METALLIC, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
WHEELS; 20» X 9» (50.8 CM X 22.9 CM) POLISHED - ALUMINUM, ENHANCED DRIVER ALERT PACKAGE, 3 rd Row Seat, MOLDINGS; BODY - COLOR BODYSIDE, LPO; WHEEL LOCKS; SET OF 4, Bluetooth Connection, BLACK, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; CLOTH SEAT TRIM, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
These engines feature Active
Fuel Management, Variable Valve Timing and Direct
Injection for added mileage in town or on the highway.
As a member of Honda's EarthDreams powertrain series, this SOHC engine features direct
fuel injection and Variable Cylinder
Management for freeway
fuel savings.
In part - load operation, indirect
injection supplements direct gasoline
injection to improve
fuel economy; the exhaust manifold that is integrated in the cylinder head enables high - performance thermal
management.
BMW's new straight - six gasoline engine for the first time combines a twin - scroll turbocharger, direct
fuel injection and VALVETRONIC fully variable valve
management in one drive unit.
SUN; ENTERTAINMENT AND DESTINATIONS PACKAGE, LUXURY PACKAGE, WHEELS; 20» X 9» (50.8 CM X 22.9 CM) POLISHED - ALUMINUM, MAX TRAILERING PACKAGE, Leather Seats, SIREN RED TINTCOAT, Navigation System, MOLDINGS; BODY - COLOR BODY - SIDE, Lane Keeping Assist, Bluetooth Connection, COCOA / DUNE; LEATHER - APPOINTED SEAT TRIM, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L V8 ECOTEC3 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
The Flexpower's engine
management adjusts throttle position, air volume,
injection and ignition point depending on the
fuel mixture.
Keyless Entry, Remote Trunk Release, Steering Wheel Controls, Alarm, Heated Mirrors.OPTION PACKAGESWHEELS, 20» X 9» (50.8 CM X 22.9 CM) POLISHED - ALUMINUM, SEATS, SECOND ROW BUCKET, MANUAL, AUDIO SYSTEM, CHEVROLET MYLINK RADIO WITH NAVIGATION, AM / FM STEREO AND CD PLAYER 5 USB ports, 1 SD card reader and an auxiliary jack, ENGINE, 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT, DIRECT
INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb - ft of torque [518 N - m] @ 4100 rpm)(STD), TRANSMISSION, 6 - SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow / haul mode (STD).
ENHANCED DRIVER ALERT PACKAGE, 3 rd Row Seat, MOLDINGS; BODY - COLOR BODYSIDE, LPO; WHEEL LOCKS; SET OF 4, Bluetooth Connection, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; CLOTH SEAT TRIM, SUMMIT WHITE, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
The powertrain features a 5.3 - liter FlexFuel EcoTec3 V8 engine with active
fuel management, variable valve timing and direct
injection.
ENGINE, 6.2 L V8 WITH ACTIVE
FUEL MANAGEMENT Spark Ignition Direct
Injection (SIDI) and Variable Valve Timing (VVT), includes aluminum block construction (420 hp [313.2 kW] @ 5600 rpm, 460 lb - ft of torque [621 N - m] @ 4100 rpm)(STD)(L86)
The engine
management computer, which, thanks to information supplied by the gearbox computer, correctly adjusts the engine torque output and speed by working through the
fuel injection and ignition timing.
High - level
fuel management is ensured by the up to five, 1400 - bar
fuel injection processes per cycle that create an extremely fine
fuel atomization in the combustion chambers, which have a total displacement of 1248 cm3.
With a choice of transmissions as well as Direct
Injection, Active
Fuel Management ™ and Continuously Variable Valve Timing, the Z06 brilliantly combines extreme power with efficiency.
ENHANCED DRIVER ALERT PACKAGE, 3 rd Row Seat, MOLDINGS; BODY - COLOR BODYSIDE, LPO; WHEEL LOCKS; SET OF 4, Bluetooth Connection, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; CLOTH SEAT TRIM, SILVER ICE METALLIC, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
SUN; ENTERTAINMENT AND DESTINATIONS PACKAGE, WHEELS; 22» X 9» (55.9 CM X 22.9 CM) 6 - SPOKE CHROME MULTI-FEATURED DESIGN, IRIDESCENT PEARL TRICOAT, DRIVER INFORMATION CENTER; ENHANCED; 8» DIAGONAL MULTI-COLOR CONFIGURABLE DISPLAY, Leather Seats, MAX TRAILERING PACKAGE, Navigation System, 3 rd Row Seat, ENGINE BLOCK HEATER, LPO; REAR CARGO MAT; ALL - WEATHER, Lane Keeping Assist, LPO; WHEEL LOCKS; SET OF 4, Keyless Start, Bluetooth Connection, Cooled Front Seat (s), Chrome Wheels, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L V8 ECOTEC3 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; PERFORATED LEATHER - APPOINTED SEAT TRIM, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
Bluetooth Connection, EMISSIONS; FEDERAL REQUIREMENTS, ENGINE; 5.3 L V8 ECOTEC3 WITH ACTIVE
FUEL MANAGEMENT; DIRECT
INJECTION AND VARIABLE VALVE TIMING, JET BLACK; PREMIUM CLOTH SEAT TRIM, SILVER ICE METALLIC, TRANSMISSION; 6 - SPEED AUTOMATIC; ELECTRONICALLY CONTROLLED
The 92 — 93 LT1s used speed density
fuel management, batch - fire
fuel injection and a dedicated Engine Control Module (ECM).
Price: $ 29,994 Trim: SLT Mileage: 61613 Engine: 5.3 l ecotec3 v8 with active
fuel management, direct
injection Trans: Auto Stock: J2267A VIN: 3GTP1VEC5FG379125
Both engines feature the efficiency benefits of direct gasoline
injection and Active Cylinder
Management, which seamlessly shuts off half the cylinders during steady cruising to save
fuel.
OPTION PACKAGES ENGINE, 6.2 L ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT, DIRECT
INJECTION and Variable Valve Timing, includes aluminum block construction, (420 hp [313 kW] @ 5600 rpm, 460 lb - ft of torque [624 Nm] @ 4100 rpm), TRANSMISSION, 8 - SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow / haul mode.
It also offers advanced technologies such as variable valve timing, direct
injection and Active
Fuel Management (on automatic - equipped models) to help balance efficiency and performance.
The engine also features same list of new technology, such as direct -
injection, Active
Fuel Management, and continuously variable valve timing.
Power Unit Water - cooled six - cylinder boxer; 3,598 cc; stroke 76.4 mm (3.01»); bore 99.98 mm (3.94»); max output 420 bhp (309 kW); max torque 420 Nm (310 lb - ft); max engine speed 8,400 rpm; four - valve technology; dry sump lubrication; two - stage resonance intake distributor; central air intake; electronic MS 3.1 engine
management;
fuel injection (multi-point, sequential);
fuel grade 98 RON premium plus unleaded; racing exhaust with fully controlled catalytic converter (400 cells); rear silencer with centrally mounted double tailpipe; special exhaust tailpipes for the Porsche Mobil1 Supercup.
====== OPTION PACKAGES: ENGINE, 5.3 L ECOTEC3 V8, WITH ACTIVE
FUEL MANAGEMENT, DIRECT
INJECTION and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm), SIERRA FLEET CONVENIENCE PACKAGE includes (DL8) outside heated power - adjustable mirrors, (A91) remote locking tailgate and (AQQ) Remote Keyless Entry.
The engine incorporates a trio of technologies for uncompromised efficiency and performance, including direct
injection, variable valve timing and, for the first time, Active
Fuel Management (cylinder deactivation), which disables two cylinders under light throttle applications to enhance efficiency.