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What Does Engine Upgrade Mean?

1 Answers

VonKaleb

07/30/25 6:50am

Engine upgrade refers to the enhancement of the electronic control system in electronically controlled fuel injection engines. The electronic control system of an electronically controlled fuel injection engine is known as the Electronic Fuel Injection System (EFI). The EFI system primarily consists of four components: the intake system, fuel supply system, control system, and ignition system. Intake System: The assembly of components that direct air or an air-fuel mixture into the engine cylinders is called the engine intake system. Fuel Supply System: Generally composed of branch fuel supply systems, fuel pumps and auxiliary devices, and pressure regulation devices. Control System: The automotive electronic control system includes both hardware and software. It encompasses electronic controls for the powertrain, chassis, body systems, and information communication systems. Ignition System: Composed of components such as the battery, generator, distributor, ignition coil, and spark plugs, it is an essential system for engine operation. The optimization and upgrade of the EFI system involve updating the program data of the Electronic Control Unit (ECU) in the control system to improve engine performance. This results in better acceleration, reduced fuel consumption, improved starting performance, compliance with emission standards, smoother gear shifts, and more seamless power delivery.

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