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Home >> Volkswagen >> 1989 >> Fox Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - Adjustments) >> Idle Speed & Mixture >> Notes
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Idle Speed & Mixture: Notes

WARNING: This page is about a different car, the 1993 Volkswagen Fox. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Mixture adjustment is NOT a part of normal tune-up procedure and should not be performed unless mixture control unit is replaced or vehicle fails emissions testing.
NOTE: Ensure fuel system pressure is correct before attempting idle speed or mixture adjustment.