740 L4-2.3L SOHC VIN 88 B230F (1985)
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Air/Fuel Mixture: Adjustments
CO% Adjustment Using CO Meter
CO-Adjustment Using CO Meter
(2) Co Adjustment With CO-meter
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Connect tachometer.
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Connect stroboscope.
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Connect CO% meter.
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.
NOTE: Switch off AC as applicable.
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Check idle speed.