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This is the support topic for the tutorial Basic Tools. Please post here if you have any questions or feedback.
Submitted: 19 July 2007 - 01:28 PM
Last Updated: 28 November 2009 - 01:53 PM
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Basic Tools
Started by Andy, Jul 19 2007 01:28 PM
1 reply to this topic
#2
Posted 20 December 2009 - 05:05 AM
All about Engine management - Electronic Fuel Injection.
full details: http://www.picoauto....-injection.html
Quote
Electronic Fuel Injection (Part 1)
By Auto Solve
In this tutorial we will be looking at the Electronic Fuel Injection system, with particular focus upon the sensors and actuators, and their inputs and outputs to and from the vehicle's ECM. The tutorial looks at the multi-point injection system, with single-point being covered in a later tutorial.
Overview
Both the multi-point and the single-point systems operate in a very similar fashion, having an electromechanically operated injector or injectors opening for a predetermined length of time called the injector pulse width. The pulse width is determined by the engine’s Electronic Control Module (ECM and depends on the engine temperature, the engine load and the information from the oxygen (lambda) sensor. The fuel is delivered from the tank through a filter, and a regulator determines its operating pressure. The fuel is delivered to the engine in precise quantities and in most cases is injected into the inlet manifold to await the valve’s opening, then drawn into the combustion chamber by the incoming air.
By Auto Solve
In this tutorial we will be looking at the Electronic Fuel Injection system, with particular focus upon the sensors and actuators, and their inputs and outputs to and from the vehicle's ECM. The tutorial looks at the multi-point injection system, with single-point being covered in a later tutorial.
Overview
Both the multi-point and the single-point systems operate in a very similar fashion, having an electromechanically operated injector or injectors opening for a predetermined length of time called the injector pulse width. The pulse width is determined by the engine’s Electronic Control Module (ECM and depends on the engine temperature, the engine load and the information from the oxygen (lambda) sensor. The fuel is delivered from the tank through a filter, and a regulator determines its operating pressure. The fuel is delivered to the engine in precise quantities and in most cases is injected into the inlet manifold to await the valve’s opening, then drawn into the combustion chamber by the incoming air.
full details: http://www.picoauto....-injection.html
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