Determining Injection Timing Reference

Tuesday, December 28th, 2010 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 common- rail EFI-diesel is determined through ...

Determining Injection Timing

Monday, December 27th, 2010 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. Comparison of the target injection timing ...

Determining Injection Volume

Sunday, December 26th, 2010 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 volume and maximum injection ...

Various Corrections in Gasoline Engine Injection Control System 2 of 2

Wednesday, November 17th, 2010 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 ...

Various Corrections in Gasoline Engine Injection Control System 1 of 2

Tuesday, November 16th, 2010 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 ...

Gasoline Engine Fuel Injection Duration Control

Monday, November 15th, 2010 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 ...

Gasoline Engine EFI (Electronic Fuel Injection) Fuel System

Thursday, October 14th, 2010 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 ...

Outline of Electronic Fuel Injection and Idle Speed Control System

Wednesday, July 28th, 2010 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 ...

TCV (Timing Control Valve) of Fuel Injection

Friday, July 23rd, 2010 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 ...
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