Car engine management system Ford Focus 2

Design features of the engine management system
The engine installed on Ford Focus II vehicles is equipped with an electronic engine management system with distributed fuel injection. This system ensures compliance...

Possible malfunctions of the engine management system, their causes and methods of elimination
Cause of malfunction Method of elimination The starter rotates the crankshaft at normal speed, but the engine does not start for a long time. After starting, the engine...

Checking the ignition coil
You will need a tester or ohmmeter. 1. Disconnect the high-voltage wires from the ignition coil terminals… 2. …and measure the resistance of the secondary winding by...

Removing and installing the ignition coil
You will need a TORX T25 key. 1. Disconnect the wire from the negative terminal of the battery. 2. Disconnect the wiring harness connector from the ignition coil… 3....

Removal and installation of the electronic engine control unit
You will need: a 6 mm Allen key, a T25 TORX key. 1. Disconnect the wire from the negative terminal of the battery. 2. Press the latch.. 3. …and remove the engine control...

Checking and replacing engine management system sensors
Engine Crankshaft Position Sensor installed at the rear of the engine cylinder block opposite the flywheel. If a fault occurs in the crankshaft position sensor circuit,...