Car engine ignition system Mazda 121 (3)
Ignition system — general information
A spark is generated in the ignition system, which ignites the fuel-air mixture in the cylinders. To create a powerful spark, the ignition coil converts the 12 V voltage...
A spark is generated in the ignition system, which ignites the fuel-air mixture in the cylinders. To create a powerful spark, the ignition coil converts the 12 V voltage...
The operating method of the ignition system
1. Ignition timing angle; 2. Load; 3. Number of revolutions. The optimal ignition timing of the engine depends, first of all, on the instantaneous values of the engine...
1. Ignition timing angle; 2. Load; 3. Number of revolutions. The optimal ignition timing of the engine depends, first of all, on the instantaneous values of the engine...
Precautions when working with an electronic ignition system
Electronic ignition systems have high voltages reaching 30,000 V. In some cases, such as moisture in the engine compartment, the high voltage pulse can break down the...
Electronic ignition systems have high voltages reaching 30,000 V. In some cases, such as moisture in the engine compartment, the high voltage pulse can break down the...
Checking high-voltage wires
If the resistance of the high-voltage wires is too high, difficulties with starting the engine and interruptions in spark formation may occur. Turn off the ignition....
If the resistance of the high-voltage wires is too high, difficulties with starting the engine and interruptions in spark formation may occur. Turn off the ignition....
Checking and replacing the ignition coil
The ignition coil should be checked when there is no spark from the spark plugs when the engine is cranked with the starter. The ignition coil is checked using an...
The ignition coil should be checked when there is no spark from the spark plugs when the engine is cranked with the starter. The ignition coil is checked using an...
Removal and installation the engine control unit
Please note: The control unit is programmed with basic values for individual sensors. During operation, the control unit receives signals from sensors that, due to...
Please note: The control unit is programmed with basic values for individual sensors. During operation, the control unit receives signals from sensors that, due to...
Spark Plugs — General Information and Specifications
A spark plug consists of a central electrode, an insulator with a housing, and a ground electrode. The ground electrode is tightly connected to the insulator, and the...
A spark plug consists of a central electrode, an insulator with a housing, and a ground electrode. The ground electrode is tightly connected to the insulator, and the...
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More sections on repairs of other Mazda models
• Model «B» engine: Ignition system Mazda Familia 5 (1985-1989)
• Power unit: Ignition system Mazda Capella 3 and 4 (1982-1992)
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