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Home >> Mercedes Benz >> 2002 >> E320 Base, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Mixture Formation - Basic Knowledge - 210 Chassis (Part 1) >> Basic Knowledge >> Injection nozzle function - GF07.03-P-3152-01H

Injection nozzle function - GF07.03-P-3152-01H

Fig 1: Identifying Nozzle Needle, Throttling Pintle And Pintle
G04623820Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The injection orifices in the nozzle body produce a cone-shaped spray of finely atomized particles.

The oblique surface at the throttling pintle (50/4) combined with the small diameter of the nozzle needle serve to improve the throttling effect in the idling range.