D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
Idle Speed: Adjustments
1.
Start the engine and warm it up until the water temperature indicator points to the middle of the gauge.
2.
Operate the engine at 2000 rpm for 2 minutes under no load.
3.
Check the idle speed.
Idle speed should be 750 ± 50 rpm (A/T in "N" position).
If not proceed to step 4.
AAC Valve Sub-Harness
4.
Disconnect the AAC valve sub-harness connector.
Fig. 68 Idle Speed Adjusting Screw
5.
Adjust the idle speed to 700 ± 50 rpm (A/T in "N" position ) by turning the idle adjusting screw.
6.
Turn the engine off and reconnect the AAC valve sub-harness connector.