Saturday, October 2nd, 2010
The manifold pressure sensor is used with D-type EFI for sensing the intake manifold pressure. This is one of the most important sensors in D-type EFI. By means of an ...
Posted in Diesel Engine Control System | 1 Comment »
Friday, October 1st, 2010
In this system, the temperature of the hot-wire (Rh) is continuously maintained at a constant temperature higher than the temperature of the intake air by using the thermistor (Ra). Consequently, ...
Posted in Diesel Engine Control System | No Comments »
Thursday, September 30th, 2010
The air flow meter is one of the most important sensors because it is used in L-type EFI to detect the intake air mass or volume. Signal of the intake ...
Posted in Gasoline Engine Control System | No Comments »
Wednesday, September 29th, 2010
The sensors convert various information into voltage change that can be detected by the engine ECU. There are many types of sensor signals, but there are five main types of ...
Posted in Gasoline Engine Control System | No Comments »
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 | 2 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 »
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