Somerset V6-181 3.0L (1986)
Idle Speed: Adjustments
Minimum Air Rate - Fuel Injection Only
Throttle Position Sensor and IAC Specifications
Idle speed is speed is controlled by the ECM through the Idle Speed Control motor and is not adjustable. The minimum air rate is adjustable as follows.
1.
Ground diagnostic terminal, turn ignition to on position.
2.
Wait 45 seconds for IAC to fully seat, then with ignition still on disconnect IAC connector.
3.
Remove ground from diagnostic terminal and start engine.
4.
Adjust idle speed to specifications.
5.
Turn ignition off and reconnect IAC connector.
6.
Check TPS voltage, then start engine and check idle speed.
