Engine ignition system of car Ford Mondeo 3

Ignition system device
Basic design of a fully electronic ignition system 1 - Spark plugs, 2 - Double-spark ignition coil, 3 - Throttle switch, 4 - Control unit (RSM), including the final...

Ignition coil
In order for spark plugs to create a spark discharge, high voltage must be applied to their electrodes. Depending on the ignition system, this discharge voltage is over...

High temperature resistant spark plugs
The purpose of the spark plugs is to ignite the air-fuel mixture in the combustion chamber. This results in temperatures up to 2500°C and combustion pressures up to 60...

Replacing spark plugs — after 60,000 kilometers
Ford prescribes the replacement of spark plugs every 60,000 kilometers in the maintenance plan. If the old spark plugs do not start your Mondeo unsatisfactorily or...

Checking with a universal device – speed sensor
Using resistance measurement (universal device, see also chapter Electrical equipment) the function of the speed sensor is checked. To ensure that the distance of the...

With the help of an assistant, no problem — checking the pressure sensor
PROCEDURE Disconnect the hose from the pressure sensor and plug the hole with your fingertip. Have your assistant start the engine and bring it up to medium speed (about...

Well-coordinated work — checking the current in the ignition system
PROCEDURE Disconnect any plug and unscrew the spark plug. Place the plug on the dismantled spark plug and place the spark plug together with the plug with perfect ground...

Measuring the resistance on the ignition coil
The measurement assumes the proper functioning of the engine management system. With the help of a multimeter in high voltage ignition systems, it is also possible to...

Removing the ignition unit
PROCEDURE Disconnect the battery cable and... ...then disconnect the cable connections at the ignition unit. Then unscrew the four fixing screws and remove the unit from...

Diesel engine preheating device
According to practical experience, when cold starting, diesel engines are difficult to go out only in the first stage. Direct injection engines, such as those in the...

Checking the preheating device
If a defect is suspected in the preheating system of your diesel engine, then proceed as follows: PROCEDURE Check the fuses in the engine electrics. Is the main fuse OK?...

Checking the preheat relay
PROCEDURE Remove the cover of the fuse box in the engine compartment. Check preheat relay, replace if necessary.

Checking glow plugs
PROCEDURE Disconnect the battery. Disconnect the wire connections, remove the glow plugs with a suitable socket wrench from the cylinder head. Place the candles on a...