Operation CHARM
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Volvo
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1982
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240 L4-2127cc 2.1L SOHC B21F
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Adjustments
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Idle Speed
Idle Speed
Fig. 246 IDLE SPEED ADJUSTMENT:
1.
Engine must be at operating temperature.
2.
Air conditioner off.
3.
Adjust
idle speed
to 900 ± 50 RPM.
Fig. 246.