2. With the air conditioner off, check the idle speed, adjust if necessary (Ch. 1).
3. Turn on the air conditioner and check the idle speed again (on vehicles with automatic transmission, move the selector to position N).
Carburetor engines
4. The idle speed should be 800 rpm on rear-wheel drive vehicles, 950 rpm on all-wheel drive vehicles. Otherwise, adjust by turning the screw on the accelerator pump lever (photo), do not touch the idle speed screw.
15.4 Adjusting screw for idle speed corrector
1. Accelerator pump lever overheating of the valve tube on the suction side, which is sometimes accompanied by engine overheating.
Injection engines
5. Set the idle speed to 800-950 rpm by turning the adjusting screw (photo).
15.5 Adjusting screw of the idle speed corrector on the injection engine
1. Screw; 2. Corrector solenoid valve
6. Depress the throttle pedal several times and check that the idle speed is correct with the A/C off and on.