Idle Speed & Mixture: Notes
NOTE:
Mixture adjustment is NOT a normal tune-up procedure. DO NOT adjust mixture unless mixture control unit is replaced or vehicle fails emissions test.
NOTE:
Idle mixture is not adjustable. If idle mixture is incorrect, see appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE section below.
- TESTS W/CODES (for B4000)
- TESTS W/CODES (for Navajo)