Diesel Data: Automotive Repair

Idle Speed: Testing and Inspection

INSPECT ENGINE IDLE SPEED
a. Warm up engine.
b. When using hand-held tester or OBDII scan tool.
Connect the hand-held tester or OBDII scan tool to the DLC3.

HINT: Please refer to the hand-held tester or OBDII scan tool operator's manual for further details.

c. Check the idle speed.


Idle speed:
M/T .............................750 - 850 rpm
A/T .............................700 - 800 rpm

NOTICE: Check idle speed with cooling fan OFF.
Switch off all accessories and air conditioning.

SST 09843-18040