Eclipse L4-1997cc 2.0L DOHC (1991)
Idle Speed: Adjustments
BASIC IDLE SPEED ADJUSTMENT
NOTE:
-
The standard idling speed has been adjusted, by the engine speed adjusting screw, by the manufacturer, and there should usually be no need for
readjustment
-
Use the following procedure to adjust when the idling speed drops due to an incorrect adjustment, high idling speed, or when a load such as the air
conditioning is applied on the engine.
-
The adjustment, if made, should be made after first confirming that the spark plugs, the injectors, the idle air control motor, the compression
pressure, etc. are all normal.
1. The vehicle should be prepared as follows before the inspection and adjustment.
-
Engine coolant temperature: 85-95°C (185-205°F)
-
Lights, electric cooling fan and accessories: OFF
-
Transaxle: Neutral ("P" for vehicles with an automatic transaxle)
2. Connect the scan tool to the data link connector.
NOTE: When the scan tool is connected, the diagnostic test mode control terminal is grounded.
3. If the scan tool is not used, follow the steps below.
