Injection system for gasoline engines Mercedes C-Class (W203)

Safety precautions when working with the injection system
Do not use open flames, do not smoke, do not keep any hot or very hot parts near the work area. There is a danger of an accident! Keep a fire extinguisher ready. Keep...

Functioning of the control and injection system
Location of components in the engine compartment of models C240 and C320 1 - Knock sensor (KS) 1 (Right side of the engine); 2 - Knock sensor (KS) 2 (Left side of the...

General check of the injection system
Special tools are needed for systematic troubleshooting and troubleshooting. Such devices are very expensive and, as a rule, are available only at service stations....

Removal and installation of an air mass meter
Air mass meter and intake manifold 1 - Air intake; 2 - Connecting element; 3 - Throttle actuator; 4 - Damper; 5 - Flange of the inlet pipeline; 6 - Gasket; 7 - Air mass...

Checking the injectors
Leaky valves make it difficult to start a hot engine. Damaged injectors cause the engine to run after it is turned off and lead to interruptions in operation. 1. Run the...

Removal and installation of the fuel distributive highway and injectors
Fuel distribution line, injectors and sensors. 4-cylinder petrol engine 111 (1 of 3) 1 - Cork; 2 - Valve, fuel pressure test connection; 3 - Fuel distribution line; 4 -...

Idle speed / ignition timing / CO concentration check
As part of the maintenance, adjustment of the idle speed, ignition timing and CO concentration is not required, since these parameters are set by the control system...