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Chevrolet
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1989
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Forward Control 6.2 J, Automatic, 475/M40
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Repair and Diagnosis
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Engine Performance
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Adjustment
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Tune-Up - 6-CYL
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Adjustments
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Idle Mixture Adjustment
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Notes
Idle Mixture Adjustment: Notes
NOTE:
Mixture adjustment is not a normal tune-up procedure. DO NOT remove idle mixture plug unless vehicle fails emissions testing or carburetor has been disassembled.