Injection system Bosch CIS-E car Mercedes E-Class (W124)

Technical characteristics of the Bosch CIS-E (KE-Jetronic) fuel injection system
System type Bosch CIS-E sequential fuel injection system Fuel pressure in the system 5.3 – 5.5 bar Fuel pump Type Self-priming roller type pump Performance 1.5 l/min...

General information about the Bosch CIS-E (KE-Jetronic) fuel injection system
The BOSCH KE JETRONIC fuel injection system is a modified version of the mechanical K JETRONIC fuel injection system, which was installed on earlier models. The fuel...

Accelerator cable — removal, installation and adjustment
Removal Removal the square fastener to release the accelerator cable Removal the accelerator cable by passing it through the slot in the lever bracket Location of the...

Air filter — removal and installation
Removal Removal the air cleaner cover mounting nuts on a 6-cylinder DOHC engine Releasing the spring clips holding the air cleaner cover Lifting the air filter cover...

Air Filter Housing — Removal and Installation
Removal Location of the screw securing the air intake Removal the air intake pipe from the air filter housing Disconnecting the electrical connector from the engine air...

Fuel filter — removal and installation
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Pressure accumulator — removal and installation
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Fuel level sensor — removal and installation
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Fuel pump — removal and installation
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Fuel tank — removal and installation
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Throttle body — removal and installation
Removal Location of the large clamp securing the rubber tube connecting the throttle body and the air flow sensor 1. On SOHC 6-cylinder models, relieve fuel system...

Intake manifold — removal and installation
Removal 1. Remove the ground cable from the battery. 2. Relieve pressure in the fuel system. 3. Remove the accelerator cable from the throttle guide lever. On automatic...

KE-Jetronic fuel injection system components
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Fuel distributor — removal and installation
Removal Location of fuel system components on a 6-cylinder engine (4-cylinder similar) A – accelerator cable; B – air flow sensor; C – fuel distributor; D – fuel...

Air flow sensor — removal and installation
Removal 4-cylinder engine air flow metering sensor and throttle body components (six-cylinder is similar) A – fuel distributor; B – air flow sensor housing; C – rubber...

Air pump (models with six-cylinder engines)
Removal 1. Remove the ground cable from the battery. 2. Loosen the auxiliary drive belt and remove the belt from the air pump pulley. 3. Disconnect the electrical...

Cold start valve — removal and installation
Removal Location of the cold start valve 1. Relieve pressure in the fuel system. 2. Remove the ground cable from the battery. 3. Disconnect the electrical connector from...

Coolant Temperature Sensor — Removal and Installation
Removal 1. Partially drain the coolant from the cooling system and check that the ignition is off. 2. The coolant sensor is located on the upper left side of the...

Throttle position switch
Removal The throttle position switch can only be removed when the throttle body is removed. Installation The switch must be installed at a service station only.

Electronic Control Unit (ECU)
Caution! The Electronic Control Unit (ECU) contains static-sensitive components, so when disconnecting electrical connectors from the ECU, do not touch the connector...

Fuel injectors — removal and installation
Removal Fuel injector mounting on a 6-cylinder engine 1 – fuel line fastening nut; 2 – screw for fixing the fixing bracket Fastening fuel injectors on 4-cylinder engines...

Pressure regulator — removal and installation
Removal Fuel line and vacuum hose connections to the pressure regulator A - fuel lines; B – vacuum hose 1. Relieve pressure in the fuel system. 2. Remove the ground...

Additional air device
Six-cylinder engines Location of idle speed control mounting bolts 1. Remove the ground cable from the battery. 2. The idle speed controller is installed above the...

Lambda sensor — removal and installation
Removal Removal the metal protective cap of the Lambda sensor 1. The lambda sensor is screwed into the exhaust pipe and can be accessed from underneath the vehicle. 2....

Relieving pressure in the fuel system
Warning! Gasoline is extremely flammable and explosive, so care must be taken when working on any part of the fuel system. Warning: The container that held the fuel...

Adjusting idle speed and CO content in exhaust gases
Adjustment of the engine idle speed is performed using a precise tachometer without removing the air filter. Access to the idle speed adjustment screw The idle speed...

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TEXTHTMLBB Code

W210 (1996-2002)

W124 (1984-1995)