Power supply and engine management system Opel Vectra C

Specifications of the power system and engine control
Common parameters Fuel - See Specifications for Chapter 1. Fuel Tank - See Specifications for Chapter 1. Specific fuel consumption / CO2 emission - see...

The design of the engine power system
General information 1. The power supply system of any internal combustion engine consists of a fuel supply system and an air supply system. 2. The main...

Relieving pressure in the power supply system of gasoline engines
1. When the engine is running, for the normal functioning of the fuel injection system, high pressure is created inside the fuel system (3.8 bar, and for some...

Checking and replacing fuel lines and their fittings
Attention: Observe safety measures! 1. The lines of the fuel path of the power system are laid between the fuel tank and the engine compartment. Steel tubes...

Removal of air from the fuel path of a diesel engine
1. When minor air pockets are formed, air is removed from the fuel supply system path automatically when the ignition is turned on, which explains the absence...

Removal of contaminants and water from the diesel fuel system
1. The power system, especially diesel engines, is very sensitive to the ingress of even small foreign particles and water into it. 2. Abrasive particles, in...

Removal and installation of components of an inlet air path
Removing 1. The general connection diagram of the components of the intake tract of the air supply system is shown in resist. illustrations. Basically, the...

Removing and installing the gas pedal
1. The fuel supply to the engine cylinders is controlled by the ECM, which receives an electrical signal from the gas pedal position sensor mounted on the...

Removal and installation of the fuel pump / fuel supply sensor
General information 1. On petrol models and on models equipped with a 1.9L diesel engine, fuel is pumped into the system by an electric fuel pump. The electric...

Removal and installation of a collar of fastening of the fuel filter (diesel)
1. The fuel filter of the diesel engine power system is attached to the rear bulkhead of the engine compartment using a special clamp. In some cases, after...

Removal and installation of the fuel tank
1. Fuel tanks (see resist. illustrations) different models may differ slightly from each other depending on the installed equipment and the layout of the fuel...

Removal and installation of the valve of system of ventilation of a fuel tank (EVAP) (gasoline)
1. Disconnect a wire from the negative plug of the storage battery. 2. Disconnect the electrical wiring from the valve (see resist. illustration) EVAP,...

Gasoline engine control system
General information 1. Electronic control system (see resist. illustration) The engine regulates the amount of fuel supplied to the cylinders and controls the...

The principle of operation of fuel injection systems of gasoline engines
Even at the dawn of the automotive industry, when designing internal combustion engines, the dependence of the combustion efficiency and, accordingly, the...

Removal and installation of fuel injectors
1. Below is a description of the removal of injectors for Z16XE/Z18XE engines. For engines other than the Z22YH engine, this procedure is similar, but some...

Diesel engine control system
Attention: When carrying out maintenance work or replacing components of the fuel supply system, observe the appropriate safety precautions. 1. Electronic...

The principle of operation of diesel fuel injection systems
When a diesel engine is running, clean air is sucked into its cylinders, which is compressed to high pressure. In this case, the air temperature rises to...

Removal and installation of fuel injectors
Attention: Do not allow dirt to enter the path of the power system! Attention: Remember that nozzles are precision equipment and should be handled with extreme...

Removal and installation of injection pump
Attention: Do not allow dirt to enter the pump and fuel lines! Z19DT engines (H) 1. Disconnect a wire from the negative plug of the storage battery. 2. Remove...

Turbocharger and intercooler — general information
1. A turbocharger is designed to increase engine power by increasing the mass charge of air entering the engine cylinders. Air is supplied to the cylinders...

Particulate filter (engines with a displacement of 1.9 l)
The particulate filter is designed to clean the exhaust gases from soot. Soot particles accumulate in the filter over time during vehicle operation. With the...

Exhaust gas exhaust system
General information 1. The exhaust system of all models under consideration consists of three sections: intake, middle (intermediate) and back. The main...

Removal and installation of system of release of the fulfilled gases
Removing Raise and place the car on stands, if equipped, remove the engine crankcase protection ( see chapter 2 ). Tie the sections of the exhaust system with...

Removal and installation of the particulate filter (engine Z19DT (H))
25. After loosening the fastening clamps, disconnect the hoses from the particulate filter (see resist. illustration) differential pressure. Remember or mark...

Removal and installation of lambda probes
21.31 Removing the post-catalytic lambda probe using the end cap (A): 1. Wiring connector Lambda probes are designed to control and adjust the composition of...

Exhaust emission control systems
In order to reduce the level of emissions into the atmosphere of toxic components that enter the composition of the exhaust gases of the engine as a result of...