Car engine ignition system Ford Focus Turnier 1

Description of the ignition system design
Elements of the ignition system: 1 - ignition wire; 2 - ignition coil; 3 - spark plugs Touch control: The ignition system in the Focus is an electronic high-performance...

Main components of the ignition system
Pressure sensor: connected to the intake manifold by a hose, supplies the control unit with information about the reduced pressure in the intake manifold. The sensor is...

Ignition coil
In order for spark plugs to produce a spark, a high voltage must be discharged across their electrodes. Depending on the ignition system, the discharge voltage exceeds...

Constant high temperature — spark plugs
The spark plugs have the task of igniting the fuel-air mixture in the combustion chamber. This produces temperatures of about 2500°C and pressures of up to 60 bar. To...

What does the spark plug face say?
Spark plugs are, to some extent, the main witnesses of the combustion process. The appearance of the spark plug electrodes (the spark plug face) tells the technician...

Safety instructions for working on the ignition system
The legislator classifies the ignition system as dangerous equipment. Therefore, you must take special safety precautions when working on the ignition system. For...

Replace spark plugs at least every 60,000 km
Ford's maintenance plan requires replacing spark plugs every 60,000 km. But if your car with old spark plugs starts more reluctantly than before, or jerks after...

Help with ignition system malfunctions
Help with ignition system malfunctions

Ignition off
The central control unit in your Focus can be damaged if you turn the engine over with the ignition wires disconnected. Therefore, before carrying out certain work, turn...

Checking the RPM sensor with a multimeter
By measuring the resistance with a multimeter (see also chapter " Electrical equipment of the car ") you will check the operation of the speed sensor. In order to be...

Checking the pressure sensor
Disconnect the hose on the pressure sensor and close it with your finger Have your assistant start the engine and bring it up to medium speed (about 2000 rpm). When the...

Ignition current measurement
Disconnect any spark plug connector and unscrew the spark plug. Reconnect the connector to the removed spark plug and place it with perfect contact with ground on the...

Measuring the resistance of the ignition coil
A reliable measurement requires a functioning engine control. In high-voltage ignition systems, the multimeter can also be used to check the primary resistance in the...

Removing the ignition module
Disconnect the battery ground cable. Disconnect the wire connectors at the ignition module. Unscrew the mounting bolts and remove the ignition module from the holder....

Diesel pre-heating system
Experience has shown that cold diesel engines are generally difficult to start. Although direct injection engines are less sensitive than engines with a pre- or swirl...

Checking the pre-heating system
If you suspect a defect in the pre-heating system of a diesel engine, proceed as follows: Check the fuses in the engine electrical system. Is the main fuse (slot 1) for...

Checking the pre-glow relay
Remove the cover from the fuse box in the engine compartment. Check the operation of the relay (black, socket 9), replace it if necessary.

Checking glow plugs
Disconnect the battery. Disconnect the wire connectors. Remove the glow plugs from the cylinder head using a suitable socket wrench. Place the glow plugs on a fireproof...

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Focus 2

Focus Turnier 1
Focus 1