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11.27.2015
Not Electric Cars, the Electric of Cars -- What Every Future Technician Should Know

A Vehicle's Electric, the Most Valuable Part

Since cars were first created, vehicle mechanics and maintenance have, until recently, remained more or less consistent. Being a mechanic meant working on the physical mechanics of an engine and car. In the last 10 years, however, vehicles have become complex machines that rely on computer chips and electrical wiring rather than simple mechanics. While the basic mechanics of a vehicle are largely unchanged, electric components of a vehicle, including electronic fuel injection, have become increasingly complicated.

11.27.2015
Engine Sensors and How They Influence Fuel Flow

The functions of today’s fuel injected engines rely completely on a powertrain control module (PCM) and its associated sensors, of which there are many. Fuel has the ability to adapt to altitude, temperature, humidity, and load while maintaining a constant fuel ratio of 14.7:1.

In order for the PCM to prepare fuel flow strategies, it uses sensors to determine the demand on the engine and its operating environment.

10.23.2015
Everything You Need to Know about Fuel Delivery Systems in 500 Words or Less

As is the case with many other facets of automobile engineering, the modern version of the fuel delivery system is much different than in previous decades. It is particularly important to be aware of this, especially when looking to diagnose a problem. Whether your car is a '57 Chevy or a 2010 Toyota, it is imperative that you get to know the working parts in the fuel delivery system. Here we will focus on more modern versions of the fuel delivery system and the parts that make them function.

10.23.2015
DIAGNOSTICS: How Pulse Width Modulated Fuel Delivery Systems Work

Since 2004, several domestic car manufacturers have switched to pulse width modulated fuel delivery systems. Due to the relative newness of these systems, there is a common lack of knowledge surrounding their actual function and how to perform proper diagnoses of any issues.

06.26.2015
Electric Fuel Pump Testing

Most vehicles with fuel injection utilize an electric fuel pump located in the fuel tank to supply sufficient volume and pressure to the injectors. Fuel is under pressure as it enters the fuel injector. The injector is a solenoid activated by the powertrain control module (PCM).

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