Multec injection system car Opel Vectra B (petrol)
Individual components, operation, self-help, malfunctions and self-diagnosis, emergency operation function, component test, lambda probe, throttle cable, exhaust gas composition test, malfunction assistance.
General information about the Multec injection system
The 8-valve 1.6l Vectra engine has a so-called Multec central injection system with a single injection valve, the operation of which is determined by an...
The 8-valve 1.6l Vectra engine has a so-called Multec central injection system with a single injection valve, the operation of which is determined by an...
The most important components of the Multec injection system
It will be easier to understand the functioning of the Multec central injection system if you become familiar with the purpose of the individual components of...
It will be easier to understand the functioning of the Multec central injection system if you become familiar with the purpose of the individual components of...
Operation of the Multec injection system
Harmonious operation of nodes The fuel pump delivers gasoline under pressure to the pressure regulator. This ensures that the pressure on the injection valve...
Harmonious operation of nodes The fuel pump delivers gasoline under pressure to the pressure regulator. This ensures that the pressure on the injection valve...
Self help
Unfortunately, many types of injection system checks are not available to the amateur due to the lack of the necessary control devices. However, there remains...
Unfortunately, many types of injection system checks are not available to the amateur due to the lack of the necessary control devices. However, there remains...
Malfunctions and self-diagnosis
The Multec central injection control unit has a program memory. The memory device is able to recognize and store defects that occur during engine operation....
The Multec central injection control unit has a program memory. The memory device is able to recognize and store defects that occur during engine operation....
Emergency operation function of the Multec injection system
The functioning of the ignition and injection system is supported by an extensive program of emergency operation, if the sensor fails, there is a break in the...
The functioning of the ignition and injection system is supported by an extensive program of emergency operation, if the sensor fails, there is a break in the...
Checking Nodes
The following sections describe inspections of injection system components that are possible with amateur tools. Fuel pressure check The fuel pressure can only...
The following sections describe inspections of injection system components that are possible with amateur tools. Fuel pressure check The fuel pressure can only...
Throttle cable
Removing the throttle cable The throttle cable connects the accelerator pedal and the injection throttle. Its biggest drawback is that it is very sensitive to...
Removing the throttle cable The throttle cable connects the accelerator pedal and the injection throttle. Its biggest drawback is that it is very sensitive to...
Exhaust gas test (AU)
Maintenance work For vehicles with a variable catalytic converter, an exhaust test is required for the first time three years after the first approval date and...
Maintenance work For vehicles with a variable catalytic converter, an exhaust test is required for the first time three years after the first approval date and...
Should the idle setting be done?
Installation work is unnecessary on vehicles with a catalytic converter, as there is nothing to adjust here. The lambda probe and, accordingly, the Multec...
Installation work is unnecessary on vehicles with a catalytic converter, as there is nothing to adjust here. The lambda probe and, accordingly, the Multec...
Help with malfunctions of the Multec central injection system
If it is not possible to read the fault memory as a reader in the Opel workshop, then you can also find the defect using our tips in the section «Help with...
If it is not possible to read the fault memory as a reader in the Opel workshop, then you can also find the defect using our tips in the section «Help with...
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