Idle Speed: Adjustments

Fig. 2 Curb idle speed adjust. V6-182:

IDLE SPEED
1. Unplug spout line and verify that ignition timing is base +/- 2 degrees BTDC.
2. Remove PCV hose at the PCV valve and install .200 inch diameter orifice.
3. Disconnect Idle Speed Control Air Bypass Solenoid.
4. Place automatic transmission in PARK.
5. Start engine and run at 2000 rpm for 120 seconds.
5. Place automatic transmission in DRIVE.
6. Check/adjust idle rpm.
Turn the throttle plate stop screw to 760+/- 2 rpm.
7. Shut engine off and disconnect battery for 3 minutes minimum.
8. Engine OFF reconnect spout line.
9. Remove orifice from PCV hose and reconnect to PCV valve.
10. Reconnect Idle Speed Control Air Bypass Solenoid, verify the throttle is not stuck in the bore and linkage not preventing throttle from closing.
11. Start engine and stabilize for 2 minutes then goose the engine and let it return to idle, lightly depress and release the accelerator let engine idle. If idle problem still exists check for other possible causes.
12. On Automatic Overdrive Transmission (AOD) applications or Automatic Transaxle (AXOD) application check TV adjustment. If idle problem still exists check for other possible causes.