Fuel injection (diesel) car Mazda 121 (3)

How a diesel engine works
In a diesel engine, clean air is sucked into the cylinders and compressed very strongly. Because of this, the temperature in the cylinders increases so much that it...

Removal air from the fuel system of a diesel engine
When the fuel tank is completely emptied while driving or when parts of the fuel system have been replaced, it is usually not necessary to remove air from it, since it...

Checking the pre-heating system and removing and installing glow plugs
When difficulties arise when starting the engine, you first need to measure the compression in the engine. If its value is very low, the engine will not start at low...

Removal and installation injectors
Faulty injectors can cause severe engine knocking and damage to its bearings. If such signs appear, you need to switch the engine to idle mode and loosen the union nuts...

Checking, removing and installing the electric engine stop device
The electric engine stop device is located on the fuel injection pump above the fuel connections. When the ignition is turned on, voltage is supplied to the device and...

Technical data of the diesel fuel injection system
Technical data of the diesel fuel injection system Fuel injection pump type Bosch VE Maximum number of revolutions 5350±50 rpm Idle speed 920-950 rpm Time of decrease in...

Diagnostics of diesel fuel injection system faults
Diagnostics of diesel fuel injection system faults Before you start troubleshooting, the following prerequisites must be met: Starting errors must be excluded. There...

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More sections on repairs of other Mazda models
• Power unit: Injection system Mazda Familia 6 (1989-1994)
• Power unit: Fuel injection (FE) Mazda Capella 4 (1987-1992)

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