Gasoline engine injection system Ford Scorpio 2

Schematic diagram of the electronic engine control system EEC V
1 - EEC IV control unit Location in the passenger footwell next to the driver, behind the glove compartment 2 - fuel pump 3 - fuel pump relay 4 - fuel filter 5 - Idle...

General information about the fuel injection system
The ignition and injection system are regulated by the engine management system, which is designated as EEC IV or EEC V according to the classification adopted by FORD....

Safety rules when working with the injection system
The fuel system is under pressure! When opening, gasoline may splash, collect spilled fuel with a rag. Work in protective glasses. Before opening the system, place a...

Operation of the gasoline injection system
An electric fuel pump takes fuel from the fuel tank and delivers it through a filter located at the bottom of the body to the injection unit. The pressure regulator...

Injection system sensors
The throttle potentiometer transmits information about the angular position of the throttle valve to the control unit. The idle switch transmits information to the...

SEFI injection system (engines from 9/94)
Fuel injection is sequential, meaning that the valve injectors are controlled individually according to the firing order of the cylinders. The amount of air entering the...

Checking the valve injectors
Leaky injectors impair the starting qualities of a warm engine. Faulty injectors sometimes cause the engine to continue running after the ignition is turned off and...

Removal and installation of fuel manifold and valve injectors
2.0-/2.3L DOHC engine Removal Disconnect the negative (-) battery cable. Caution: When the battery is disconnected, the contents of electronic memory devices, such as...

Diagnostics of faults of the petrol injection system
Before detecting a fault based on fault diagnosis, the following prerequisites must be met. Conditions for starting errors are excluded. For both cold and warm engines,...