1995 Mercedes Benz E 300 (124 Chassis) L6-2985cc 3.0L DSL DOHC (606)
Testing, Adjusting Idle Speed
A Engine 605.911
B Engine 606.910
Connect digital tester (001), TDC pulse generator (021).
Check accelerator control for ease of movement.
Check Idle speed stop at Bowden cable (32); the dished washer (29/7) must be resting free of tension against the compression spring (29/8). If necessary, adjust Bowden cable from inside car.
Warm engine up to coolant temperature of 60 - 80°C .
Engine 605.911 with pneumatic idle speed increase (PLA)
Check idle speed; adjust if necessary by turning the vacuum unit (12/3). To do this, slacken lock nut (arrow). Refer to table for test data.
Engine 606.910 with electronic Idle speed control (ELR)
Unplug 2-pin coupling of ELR actuator (22).
Check idle speed; adjust if necessary. To do this, slacken lock nut (arrow) and turn adjusting bolt (ring wrench). Refer to table for test data.
To the left: higher engine speed
To the right: lower engine speed Download File PDF
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