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Volvo
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1991
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740 Base, 4D Sedan, Standard
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Specifications
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Fuel System
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Idle Speed & Mixture
Idle Speed & Mixture
IDLE SPEED & CO LEVEL
Application
Idle RPM
(1)
% CO Level
Except 940 GLE & Turbo Models
775
0.6
940 GLE
850
0.6
Turbo Models
750
0.6
(1)
O2 sensor disconnected. CO level is measured before catalytic converter.