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Barometric pressure inference based on tire pressure
Methods and systems for detecting barometric pressure (BP) changes based on tire pressure changes are disclosed. In one example approach, a method comprises...
System and method for providing spark to an engine
An approach for supplying spark to a spark ignited engine having activated and deactivated engine cylinders is disclosed. In one example, the approach increases...
Operating an automatic start-stop system
A method for operating an automatic stop/start system in a motor vehicle with an internal combustion engine, a manually operated gearbox and a pedal-operated...
Fuel delivery module with fuel filter
A vehicle fuel delivery apparatus, having: a surge chamber configured to store fuel; a fuel filter distally positioned with respect to and connected to the...
Evaporative emission control
Methods and systems are provided for purging a multi-port canister into an engine intake. Air is circulated through the canister and a resulting purge air is...
Fuel system diagnostics
Methods and systems are provided for detecting a fuel system leak. One or more of a boost pressure from a compressor and vacuum from an intake manifold is...
Methods and systems for boost control
Methods and systems are provided for managing a compressor temperature using EGR to address surge and condensation. A variable mixture of cooled compressor...
Cylinder gasket having oil drainback constraint feature for use with
internal combustion engine
A gasket for use with in an internal combustion engine having lubricating oil drainback passageways and an integrated exhaust manifold formed in the cylinder...
Method for improving engine starting
A method and system for improving starting of an engine that may be repeatedly stopped and started is presented. In one example, the method adjusts a port fuel...
Systems and methods for improving catalyst diagnostics in the presence of
Systems and methods for diagnosing operation of a catalyst are presented. In one example, threshold limits for catalyst variables are adjusted in response to...
Liquid-cooled internal combustion engine with a partially integrated
A liquid-cooled engine and method for its operation is described wherein the engine includes a cylinder head comprising at least one coolant jacket and exhaust...
System and method for storing crankcase gases to improve engine air-fuel
A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially...
Crankcase integrity breach detection
Methods and systems are provided for using a crankcase vent tube pressure or flow sensor for diagnosing a location and nature of crankcase system integrity...
Oil pressure scheduling based on engine acceleration
Systems and methods are disclosed for adjusting oil pressure supplied to engine components. In one example approach, a method for controlling oil flow in an...
Universal global latch system
A powered latch system for a door of a vehicle including a latch assembly, actuatable inside and outside handles, a powered actuator and a door controller that...
A deflector member comprises opposing first and second walls and a plurality of sidewalls arranged adjacent to each other and between the first and second...
Methods and systems for operating a driveline disconnect clutch responsive
to engine operating conditions
Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a driveline disconnect clutch transfer function may be adapted in...
System and method for controlling a vehicle having an electric heater
A system and method for operating an electric heater to determine heater functionality is based on actual heater power consumption relative to expected heater...
Clutch torque trajectory correction to provide torque hole filling during
a ratio upshift
A control system and method for controlling a multiple gear ratio automatic transmission in a powertrain for an automatic transmission having pressure activated...
Method and system for reducing vacuum consumption in a vehicle
A system and method for conserving vacuum within a vehicle is described. In one example, vacuum is conserved via limiting volume expansion of a brake booster...
Vehicle park assist system and method for parking a vehicle using such
A method for parking a vehicle in a parking spot comprises scanning objects to determine if a feasible parking space is available, the neighboring objects...
Hybrid brake pedal feel system
A brake pedal assembly for a hybrid electric vehicle having a brake pedal arm and a cam follower extending from the brake pedal arm is provided. The cam...
Electric vehicle service disconnect lock
A service disconnect including a lock actuatable between a first state that prevents a removal of a service disconnect from a closed position and a second state...
Self-actuating flow restrictor for a vehicle airbag assembly
An inflatable airbag assembly includes first and second walls sealably connected to define an inflatable bladder having an interior volume that is operable...
Pedestrian protection sensing system for vehicle having metal bumpers
A method and apparatus for controlling deployment of pedestrian head protection devices on a motor vehicle having a metal bumper is disclosed. The disclosed...
Method and system for contactor weld detection
An example contactor weld detection method for an electric vehicle includes detecting that a contactor is welded closed when the contactor is commanded closed.
Synchronous speed disconnect of a generator for a hybrid electric vehicle
A drive system includes first and second power sources, a planetary gearset including an output, and first and second inputs driveably connected, respectively,...
Automatic wheel to tire pressure sensor correlation in distributed
The wheel locations for wireless tire pressure monitoring sensors are automatically learned by comparing the timing of sensor message transmissions to directly...
Vehicle front lower bumper valance
Vehicle rear lower bumper cover insert
Vehicle electronic connector hub
A console assembly includes a console housing with a storage compartment having a member in a wall that is rotatable between a plurality of positions. The...
Electrical connector with moisture absorbing pin
An electrical connector has a casing configured to define a chamber when mated with a mating connector, a plurality of contact pins projecting from the casing...
Apparatus and method for fuel cell standby
An apparatus for placing a fuel cell stack in a standby mode is provided. The apparatus comprises a compressor, a fuel cell stack, a cathode valve and a...
Assisted direct start and active suspension integration control
A system for controlling an internal combustion engine. The system includes engine shutdown/restart means and energy storage means configured for supplying...
Systems and methods for determining amount of liquid and gaseous fuel
A method may comprise, on board a vehicle and executed by a vehicle controller, determining a liquid volume based on a fuel level sensor, determining a gas...
Vehicle contents inventory system interface
A vehicle inventory interface system may include a user interface configured to present a plurality of vehicle icons each representing a vehicle in a fleet,...
Laser ignition system based diagnostics
Methods and systems are provided for using an engine laser ignition system to perform a visual inspection of an engine and diagnose various cylinder components...
Leak detection for canister purge valve
Methods and systems for detecting a leak in a canister purge valve are disclosed. In one example approach, a method comprises indicating a leak in response to a...
System and method for compensating biodiesel fuel
Methods and systems for adjusting a plurality of fuel injections supplied to a cylinder during a cycle of the cylinder are described. In one example, fuel...
Method and system for engine control
Methods and systems are provided for controlling exhaust emissions by adjusting an injection profile for different fuels injected into an engine cylinder from...
Method for operating a spark ignition internal combustion engine having at
least two cylinders
An example for operating a spark ignition engine comprises discharging exhaust gases via an exhaust system comprising exhaust pipes from the at least two...
Exhaust air injection
Embodiments for controlling exhaust air-fuel ratio are provided. In one example, an engine method comprises adjusting upstream exhaust air-fuel ratio to...
Internal combustion engine with exhaust-gas aftertreatment arrangement and
method for operating an internal...
A system and method for controlling temperature of a urea reductant to form ammonia for NOx reduction in a selective catalytic reducer coupled to a turbocharged...
Exhaust gas mixer and system
A device and a system are provided. The system may include a perforated barrier disposed within an exhaust stream downstream from the combustion chamber(s). The...
Camshaft to control valve timing
A camshaft for a multiple cylinder four-stroke internal combustion engine is described wherein peak lift of a first exhaust lobe is angularly displaced relative...
Regenerative braking control system and method
A vehicle regenerative braking control system includes a brake pedal; a brake pedal angle sensor interfacing with the brake pedal; a vehicle braking system...
Active bolster with pitted weld track
An active bolster for an automotive vehicle has a outer trim panel with a welding track. An expandable bladder member has a central section configured to attach...
Extruded light pipe carrier
A lighting apparatus for a vehicle includes a light source and a light pipe. The light pipe has a first end coupled with the light source, a second end, and a...
Vehicle armrest with structural fabric substrate
A vehicle armrest includes an inner armrest substrate having at least one buckling member extending to an outer armrest substrate. A gap is defined by the inner...