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Volvo
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1990
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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 - Tests W/Codes - Non-Turbo
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Retrieving Codes (Ignition) Control Function No. 1
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Notes
Retrieving Codes (Ignition) Control Function No. 1: Notes
CAUTION:
Never connect or disconnect ECU connector with ignition in ON position.