Thursday, July 29th, 2010
The engine control system consists of three groups including sensors (and sensor output signals), engine ECU, and actuators. This chapter explains the sensors (signals), power circuitry and ground circuitry, and ...
Posted in Gasoline Engine Control System | No Comments »
Tuesday, July 27th, 2010
A gasoline engine produces power through the explosion of a mixture of gasoline and air. The three essential elements for a gasoline engine to produce power are the following
1. Good ...
Posted in Gasoline Engine Control System | No Comments »
Sunday, July 25th, 2010
1. Description When the intake air volume (boost pressure) is increased by the turbocharger, the boost compensator increases the maximum fuel injection volume in accordance with the increased intake air ...
Posted in Diesel Engine | No Comments »
Saturday, July 24th, 2010
1. Description
At high altitudes, the air density decreases with the decrease in the atmospheric pressure. For this reason, if the fuel is injected under the same conditions as at low ...
Posted in Diesel Engine | No Comments »
Sunday, July 18th, 2010
As in the case of gasoline engine ignition timing, diesel engine injection timing must be advanced (or retarded) in accordance with the engine speed in order to obtain optimum performance. ...
Posted in Diesel Engine | No Comments »
Saturday, July 17th, 2010
The fuel cut-off solenoid valve opens and closes the fuel passage leading to the suction port. (The valve remains open while the ignition switch is on.)
1. Fuel cut-off solenoid on
The ...
Posted in Diesel Engine | No Comments »
Thursday, July 15th, 2010
The injection pump pumps the fuel to each injection nozzle.
The injection pump functions to control the fuel injection volume and timing.
1. Fuel suction
The feed pump draws the fuel from the ...
Posted in Diesel Engine | No Comments »
Wednesday, July 14th, 2010
1. Description
Some diesel engines use an intake shutter. The intake shutter has following functions.
(1) Stops vibration immediately after engine is turned off. In diesel engines, air continues to be drawn ...
Posted in Diesel Engine | No Comments »
Tuesday, July 13th, 2010
1. Glow indicator light description
The glow plug indicator light is mounted inside the combination meter. When the light goes off, it informs the driver the engine is ready to be ...
Posted in Diesel Engine | No Comments »
