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Home >> Volvo >> 1983 >> 760 Base >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Adjustments >> Idle Mixture >> Notes

Idle Mixture: Notes

NOTE: Mixture control adjustment screw opening is plugged to prevent tampering. Adjustment is not a normal tune-up procedure and should not be performed unless mixture control unit is replaced or vehicle fails emissions testing.