Controlling resistance heaters on exhaust gas oxygen sensors

Coolant flow monitoring system for an engine cooling system

Cooling system for an internal combustion engine in motor...

Cooling system monitor

Cylinder air charge estimate

Cylinder-by-cylinder intake air quantity detecting apparatus...

Damping device of an air flow rate meter disposed in the air int

Detecting clutch slippage to measure drive line torque for...

Detection of malfunction in gas concentration detection system

Deterioration detecting apparatus for catalytic converter

Determining throttle position sensor output

Device and method for determining the state of ageing of an...

Device and method for determining the state of aging of an...

Device and method for estimating temperature of exhaust pipe...

Device and method for estimating temperature of exhaust pipe...

Device and method for monitoring a tank ventilation system

Device for air flow rate measurement in the air intake tube of a

Device for analyzing exhaust emissions from motor vehicles

Device for burnoff of a measuring resistor

Device for checking an electrical machine cooling system