An engine of a vehicle is provided with an engine control device including an idle speed control (ISC) device provided for an intake bypass passage connecting an upper side and a lower side of a throttle valve installed in an intake passage so as to contro...

An engine start control device (10) includes: a control valve (ISCV,106) which adjusts a gas flow rate of a gas channel (43) provided so as to bypass a throttle valve (42) of an engine (4); a starter motor (102) capable of driving a crankshaft (41) of the ...

An idle rotational speed controller of an internal combustion engine includes an intake path 8 for sucking air supplied to a combustion chamber of the internal combustion engine 1, a throttle valve 11 arranged at the intake path 8 for controlling an intake...

To provide an intake air flow control system for an internal combustion engine with which it is possible to prevent a rise in cost and to prevent adverse effects on the starting characteristics of the internal combustion engine. At the time of performing a...

The engine idling regulation method has an air path regulator for altering the air ratio, with variation of the ignition timing for a given air ratio, a positive setting range defining a reserve torque (4), the latter determined in dependence on the rev va...

To improve startability and reduce the amount of HC emission at start-up with the aid of a construction where vaporized fuel is supplied to the bypass passage that bypasses the main passage. The main air control valve 16 is installed near the intake port 1...

To provide an idling speed control apparatus for an internal combustion engine which can perform positioning of a step motor accurately without additionally providing a battery. The idling speed control apparatus includes storage means 11 for storing an en...

An engine idling control device includes a secondary air supply device, an intake gauge pressure detecting unit and a secondary air supply control unit. The secondary air supply device is disposed on a bypass intake passage communicating with an intake pip...