Car engine power system Ford Focus 2

Features of the power supply system design
The power supply system includes elements of the following systems: fuel supply system, including fuel tank, electric fuel pump module, pipelines, hoses, fuel rail with...

Checking the fuel pressure in the fuel system
The main criterion for the serviceability of the engine fuel system is the fuel pressure in the fuel rail. If the fuel pressure is insufficient, the following may occur:...

Reducing pressure in the fuel system
WARNING: The fuel in the fuel system is under high pressure, so do not loosen the fuel line connections while the engine is running or immediately after it has been...

Removing and installing the air filter and intake noise muffler
The air filter is removed to gain access to other components in the engine compartment and in case of damage. You will need: 8 and 10 mm wrenches (socket heads are more...

Removing and installing the fuel pump
If the engine power drops, there is increased noise, or you can periodically hear howling sounds when the fuel pump is running, then most likely the fuel pump is out of...

Replacing the fuel tank and its filler pipe
If you find a fuel leak in the tank, replace the tank, as it is molded from a special plastic and cannot be repaired. If the fuel pump screen often becomes clogged,...

Replacing the fuel pressure pulsation compensator
The fuel pressure pulsation compensator is installed at the end of the fuel rail and serves to maintain constant fuel pressure in the rail when there is a sharp drop in...

Removing and installing the fuel rail
You will need: an 8 mm socket head and a flat-blade screwdriver. 1. Reduce the pressure in the fuel supply system ( see "Losing pressure in the fuel system" ). 2....

Removal, inspection and installation of injectors
Possible signs of injector failure: difficult engine starting; unstable engine operation; engine stop at idle; increased crankshaft speed at idle; engine does not...

Removing and installing the throttle assembly
Signs of a throttle valve that does not close completely may include increased idle speed and fuel consumption, while signs of a throttle valve that does not open...

Removing and installing the throttle pedal
The throttle control pedal is removed for replacement if it fails, and also when replacing the air filter entering the passenger compartment to ensure access to it. You...

Features of the fuel vapor recovery system
The fuel vapor recovery system prevents fuel vapors from escaping from the fuel system into the atmosphere, which have an adverse effect on the environment. The system...

Replacing the fuel vapor recovery system canister
The fuel vapor recovery system canister is removed for inspection or replacement if a persistent gasoline smell appears due to a leak in the canister. In addition, a...