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Subaru
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1991
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XT-6 4WD L6-2.7L SOHC
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Adjustments
Idle Speed: Adjustments
Idle speed
is ECU controlled by means of a by-pass air control valve and is not adjustable. Idle speed specification is 750 ± 100 rpm. If out of specification, refer to
DIAGNOSIS AND TESTING PROCEDURES.