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Home › Posts tagged injection

injection

Determining Injection Timing Reference

Posted on December 28, 2010 by b1r2i3a4n5

Conventional EFI-diesel

Common-rail EFI-diesel

4. Comparison of the target injection timing and the actual injection timing

As with the convention EFI-diesel, the basic injection timing of the Read more Determining Injection Timing Reference ›

Posted in Diesel Engine Control System
Tagged with control, Diesel, Gasoline, injection, System

Determining Injection Timing

Posted on December 27, 2010 by b1r2i3a4n5


The ECU performs the following functions to determine the injection timing:

Conventional EFI-diesel

1. Determination of the target injection timing

2. Detection of the actual injection timing

3. Read more Determining Injection Timing ›

Posted in Diesel Engine Control System
Tagged with control, Diesel, Engine, injection, System

Determining Injection Volume

Posted on December 26, 2010 by b1r2i3a4n5


The ECU performs the following three functions to determine the injection volume:

1. Calculation of basic injection volume

2. Calculation of maximum injection volume

3. Comparison of basic injection Read more Determining Injection Volume ›

Posted in Diesel Engine Control System
Tagged with control, Diesel, Engine, injection, System

Various Corrections in Gasoline Engine Injection Control System 2 of 2

Posted on November 17, 2010 by b1r2i3a4n5

4. Acceleration enrichment
The air-fuel ratio becomes lean, especially during the start of acceleration because a fuel supply lag tends to occur during acceleration against the rapid change of the amount Read more Various Corrections in Gasoline Engine Injection Control System 2 of 2 ›

Posted in Gasoline Engine
Tagged with control, Engine, Gasoline, injection, System

Various Corrections in Gasoline Engine Injection Control System 1 of 2

Posted on November 16, 2010 by b1r2i3a4n5

1. Start enrichment
The basic injection duration cannot be calculated from the amount of the intake air because the engine speed is low and the changes in the amount of the intake air are large at starting. Read more Various Corrections in Gasoline Engine Injection Control System 1 of 2 ›

Posted in Gasoline Engine
Tagged with control, Engine, Gasoline, injection, System

Gasoline Engine Fuel Injection Duration Control

Posted on November 15, 2010 by b1r2i3a4n5

The engine ECU changes the fuel injection volume by changing the injector injection duration. The actual fuel injection duration is determined by the following two items.
1. The basic injection duration Read more Gasoline Engine Fuel Injection Duration Control ›

Posted in Gasoline Engine
Tagged with control, Engine, Fuel, Gasoline, injection

Gasoline Engine EFI (Electronic Fuel Injection) Fuel System

Posted on October 14, 2010 by b1r2i3a4n5

The EFI system uses various sensors to detect the engine condition and vehicle running condition. And the engine ECU calculates at the optimum fuel injection volume, and causes the injectors to inject Read more Gasoline Engine EFI (Electronic Fuel Injection) Fuel System ›

Posted in Gasoline Engine
Tagged with control, Electronic, Engine, Fuel, Gasoline, injection, System

Outline of Electronic Fuel Injection and Idle Speed Control System

Posted on July 28, 2010 by b1r2i3a4n5

EFI (Electronic Fuel Injection)System
The EFI system uses various sensors to detect the operating conditions of the engine and the vehicle. In accordance with the signals from these sensors, the ECU calculates Read more Outline of Electronic Fuel Injection and Idle Speed Control System ›

Posted in Gasoline Engine Control System
Tagged with control, Fuel, injection, Speed, System

TCV (Timing Control Valve) of Fuel Injection

Posted on July 23, 2010 by b1r2i3a4n5

The TCV renders the LST inactive if the vehicle is operated with a cold engine (coolant temperature below 6C (14F)) or at high altitudes (where the atmospheric pressure is below 93 kPa (70mmHg)). The purpose Read more TCV (Timing Control Valve) of Fuel Injection ›

Posted in Diesel Engine
Tagged with Fuel, injection

LST (Load-Sensing Timer) of Fuel Injection

Posted on July 22, 2010 by b1r2i3a4n5

The LST changes the fuel injection timing in accordance with the engine load, and obtain the characteristic of advancing. The fuel is released from the orifice on the governor sleeve via the governor shaft Read more LST (Load-Sensing Timer) of Fuel Injection ›

Posted in Diesel Engine
Tagged with Fuel, injection

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