Blue point ya3020 can it be used on chryslers

The speed-density method does not require an air quantity sensor, but rather calculates the amount of fuel required by the engine.

Fuel-injection computer systems require a method for measuring the amount of air the engine is breathing in, in order to match the correct fuel delivery.

ELECTRONIC FUEL-INJECTION OPERATIONР”Р‡IGURE 27РІР‚вЂњ3 A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake manifold, about 3 in. The fuel is squirted above the throttle plate where the fuel mixes with air before entering the intake manifold. Replace the fuel filter at regular service intervals.Р”Р‡IGURE 27РІР‚вЂњ2 A dual-nozzle TBI unit on a Chevrolet 4.3-L V-6 engine. Dirt that settles near the bottom of the fuel tank can be drawn through the fuel system and cause damage to the pump and injector nozzles. The water or alcohol becomes more concentrated when the fuel level is low.

Avoid operating the vehicle on a near-empty tank of fuel. For long service life of the fuel system always do the following:.There are two types of electronic fuel-injection systems:.Most electronic fuel-injection systems use the computer to control these aspects of their operation:.But does control the operation of the electric fuel pump (on most systems) and the pulsing on and off of the injectors. The computer does not control fuel pressure. Notice that the fuel-pressure regulator is located on the fuel return side of the system. Fuel-pressure regulator (mechanically operated springloaded rubber diaphragm maintains proper fuel pressure) Р”Р‡IGURE 27РІР‚вЂњ1 Typical port fuel-injection system, indicating the location of various components.Fuel-pump relay (usually controlled by the computer).Electric fuel pump (usually located inside the fuel tank).Most electronic fuel-injection systems share the following:.Electronic fuel-injection systems use the computer to control the operation of fuel injectors and other functions based on information sent to the computer from the various sensors.List the types of fuel-injection systems.Р”Вemand delivery system (DDS) Electronic air control (EAC) Electronic returnless fuel system (ERFS) Flare Fuel rail Gang fired Idle speed control (ISC) motor Mechanical returnless fuel system (MRFS) Nonchecking Port fuel-injection Pressure control valve (PCV) Pressure vent valve (PVV) Sequential fuel injection (SFI) Throttle-body injection (TBI) KEY TERMS.Discuss the purpose and function of the fuel-pressure regulator.Describe how a port fuel-injection system works.Prepare for ASE Engine Performance (A8) certification test content area РІР‚СљCРІР‚Сњ (Fuel, Air Induction, and Exhaust Systems Diagnosis and Repair).OBJECTIVES After studying Chapter 27, the reader will be able to: CHAPTER 27 Fuel-Injection Components and Operation

Blue point ya3020 can it be used on chryslers