Method for checking a valve

Fuel injection amount correction method for pressure boosting fuel injection apparatus

High pressure fuel pump control apparatus for an engine

Fuel injection system designed to ensure enhanced reliability of diagnosis of valve

Control apparatus for an internal combustion engine

Control apparatus and control method for internal combustion engine

Fuel injector activity verification

Fuel injection system monitoring abnormal pressure in inlet of fuel pump

Control circuit for injectors having cut solenoids for LPI engines and cut solenoid control method and diagnostic method thereof

Watercraft propulsion system and control method of the system

Control system for compression-ignition engine

Diagnostic equipment for an exhaust gas cleaning apparatus

Control apparatus for vehicular internal combustion engine

Method and apparatus for monitoring and evaluating operation of a piezoelectric actuator

Control apparatus for internal combustion engine

Method for diagnosis in a fuel injection device comprising a piezoactuator

Method and control device for diagnosing a charge cycle valve stroke adjusting system of an internal-combustion engine

Electronic control system with malfunction monitor

Method and device for monitoring the functioning of a valve stroke adjusting device of an internal combustion engine during cold starts

Method of controlling an internal combustion engine

Method for monitoring the speed of a bi-turbocharger

Supercharging assist control system

Valve control method for circuitry for power generation systems

Apparatus and method of abnormality diagnosis for supercharging pressure control system

Method for diagnosis of a volume flow control valve in an internal combustion engine comprising a high-pressure accumulator injection system

Fuel injection controller for in-cylinder injection engine

Method for determining valve degradation

Engine control apparatus

Defect determining device for turbo charger

Method and device for verifying an electrical coupling state of an inductive load

Control apparatus for internal combustion engine

Highly reliable vehicle system start controller

Control apparatus for internal combustion engine

State determination device for internal combustion engine

Internal combustion engine

Computer-controlled auxiliary fuel tank system with multi-function monitoring system and user calibration capabilities

Stuck-open failure detection system for gas-fuel injection valve

Method to estimate variable valve performance degradation

Device and method for identifying defects in a fuel injection system

Control apparatus for internal combustion engine

Method and apparatus for controlling the pressure in a common rail system

Estimating device for exhaust temperature in internal combustion engine

Method for operating an injection valve of an internal combustion engine

Exhaust gas purifying apparatus

Evaluation method of diagnostic function for a variable valve mechanism and evaluation apparatus for a variable valve mechanism

Fuel injector system diagnostic system

Method for diagnosing variable intake system

Method for operating a camshaft adjusting device

Control apparatus for internal combustion engine

Wheel action force detector for detecting axle forces absent brake torque

Monitoring method for an actuator and corresponding driver circuit

Multiple pump fuel delivery system

Engine start control device and control method

Control device of high-pressure fuel system of internal combustion engine

Abnormality monitoring device for motor control system

Fail-operational internal combustion engine systems and methods

Method for monitoring a particle filter

Method of controlling a switching flap, and a switching-flap actuating unit

Electronic engine control device, vehicle equipped with electronic engine control device, and electronic engine control method

Diagnostic system for internal combustion engine

Method for operating an internal combustion engine and device for executing the method

Fuel system for an internal combustion engine and method for controlling same

Method for operating an internal combustion engine and device for implementing the method

Drive device for a secondary air injection system

Method to start electromechanical valves on an internal combustion engine

Electromechanical valve operating conditions by control method

Diagnostic apparatus for variable valve control system

Method for determining defective actuators in an internal combustion engine

Fuel pump noise-reduction apparatus in liquefied petroleum injection vehicle

Method and system of determining life of turbocharger

Driving control apparatus for motion mechanism and control method of driving control apparatus

Common rail type fuel injection system

Method and system for detecting an absolute pressure sensor malfunction

Intake air amount control apparatus for vehicle engine and method thereof

Diagnosis system for variable valve controller

Ice-breaking, autozero and frozen throttle plate detection at power-up for electronic motorized throttle

Failure diagnostic apparatus for intake air stream control device and control method of failure diagnostic apparatus

Method for controlling an injector with verification that plunger movement has occurred

Throttle system abnormality determination apparatus

Method for operating an internal combustion engine

Limp home control method under disconnected state of battery power line

Fuel injection system for an internal combustion engine

Variable valve actuating system and method

Fuel injection system diagnostic system

Capillary fuel injector with metering valve for an internal combustion engine

Efficient diagnosis of faulty distributorless and hybrid ignition systems

Control system for NOx control for cam phaser and/or EGR systems

Trouble detector of vehicle having deceleration idling-cylinder engine

Methods and systems of diagnosing fuel injection system error

Method for checking the operativeness of a tank-ventilation valve of a tank-ventilation system

Method for diagnosing incorrect valve lift adjustment in an internal combustion engine

Intake air amount control apparatus and intake air amount control method for internal combustion engines

Fail-operational internal combustion engine

Output control system for engine with exhaust control function

Method and control and regulating device for operating an internal combustion engine with piezoelectrically actuated fuel injection valves

Diagnostic equipment for an exhaust gas cleaning apparatus

Method for monitoring an internal combustion engine

Control apparatus and method for variable valve

Multi-pulse fuel injection systems and control logic for port fuel injection pulse monitoring in engine assemblies

Fuel injector variability reduction

Fuel pump with electronic controlled pressure regulation and failure mitigation

Methods and systems for gaseous fuel management

Methods and systems for diagnosing non-deactivated valves of disabled engine cylinders

Monitoring system for identifying an engine bank with a malfunctioning fuel injector

Injection control device

Injection control device

Methods and systems for improving fuel injection repeatability

Methods and systems for improving fuel injection repeatability

Methods and systems for fuel injection control

Method and system for identification of fuel injector type

Sequential turbocharger diagnostic system and method

System and method for controlling boost pressure

Engine pre-overheat sensors and warning system

System with solenoid assembly and method of fault diagnosis and isolation

System and method for engine poppet valve diagnostics

Exhaust gas distribution valve

Clock signal monitoring apparatus and method

Fuel injection system and method for a vehicle propulsion system

Fault tolerant throttle body

Method for diagnosing a variable-lift camshaft follower