740 L4-2.3L SOHC VIN 88 B230F (1985)
Idle Speed: Adjustments
Check/Adjust Idle Speed
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Warm-up engine
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Run engine at 1500 rpm.
NOTE: Warm-up engine until radiator thermostat opens and then for a further 10 minutes.
Fig. 326 IDLE SPEED TEST CONNECTOR
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Ground red-white wire to close idle air control valve.
NOTE: Switch off AC as applicable.
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Check idle speed.
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Adjust engine speed with idle adjustment screw to 700 rpm.
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Disconnect ground from test point.
Engine speed should increase to 750±20 rpm
If values are incorrect: check/adjust throttle controls.
