Car engine power system Mazda 121 (3)

Fuel system — general information
The fuel system includes a fuel tank with a container with activated carbon, fuel lines, a fuel filter, a fuel pump and an injection system (described in a separate...

How to save fuel while driving
Driving style has a significant impact on fuel consumption. Below are some tips for using the gas pedal carefully. Start driving immediately after starting the engine,...

Precautions and rules when working with the fuel system
When working with parts of the fuel supply system, it is necessary to carefully observe cleanliness and safety regulations. Precautionary measures Do not use open...

Turning on, removing and installing the fuel pump safety switch
All petrol injected models have a safety switch that shuts off the fuel pump in the event of an accident or overload. The switch for Ford Fiesta/Mazda 121 models is...

Checking, removing and installing the fuel pump relay
If the fuel pump does not work (no noise from operation can be heard), then you need to check the voltage supply in the following sequence: the safety switch at the...

Removal and installation the fuel tank
Precautionary measures Avoid open flames, smoking, and bringing hot or extremely hot objects near your work area—this poses a fire hazard! Have a fire extinguisher...

Removal and installation the fuel pump and fuel quantity sensor
The fuel quantity sensor and the petrol fuel pump are located on top of the fuel tank. the diesel engine is equipped with only a fuel quantity sensor without a pump;...

Removal and installation the air filter and air supply hose
In order to reduce to a minimum the noise from the air supply to the engine, there are several intermediate containers in the intake pipe, the so-called resonators....

Removal and installation the throttle cable
Caution: The throttle control cable is very sensitive to bending and must be handled with extreme care during installation. One small bend can then lead to dips in...

Adjusting the throttle cable
Press the gas pedal fully and hold it in this position. To do this, insert a suitable spacer between the seat and the pedal or use the services of an assistant. Pull the...

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More sections on repairs of other Mazda models

• Model «E» engine: Power and ignition system Mazda Familia 5 (1985-1989)
• Power unit: Power system (2.0 and 2.5) Mazda Capella 5 (1991-1997)
• Power unit: Fuel system Mazda3 BK (2003-2009)
• Power unit: Fuel system Mazda6 GG (2002-2008)
• Power unit: Supply system Mazda CX-5KE (2012-2017)

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