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Home >> Mercedes Benz >> 2008 >> GL320 4WD >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Fuel, Ignition, Engine Control - Basic Knowledge - 1 Of 2 -- 164 Chassis >> Basic Knowledge >> Component description for fuel injection valves - GF07.03-P-6010 >> Component description for the fuel injection valves - GF07.03-P-6010BK

Component description for the fuel injection valves - GF07.03-P-6010BK

ENGINE 113.967 in MODEL 219 

ENGINE 113.964 in MODEL 164.1 

ENGINE 113.971 in MODEL 251 

Fig 1: Identifying Fuel Injection Valves
G05257481Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Design 

Fig 2: Cross-Sectional View Of Fuel Injection Valves
G05257482Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Function 

If solenoid winding is energized, the nozzle needle is raised by the solenoid armature about 0.1 mm against the force of the coil spring.

The fuel flows through an outlet opening and is sprayed onto the injectors in a finely atomized spray.

The supply voltage to the fuel injection valves is provided via fused terminal 87. Corresponding long electrical ground pulses from the ME control unit facilitate actuation.

The fuel injection valves are actuated by the ME-SFI control unit, in other words one injection valve is assigned to each cylinder which meters the quantity of fuel calculated for the cylinder.

In case of detected misfires, the actuation of the corresponding cylinder is interrupted.