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Idle Speed & Mixture

NOTE: Idle mixture is not adjustable. If idle mixture is incorrect, see appropriate BASIC TESTING article or TESTS W/CODES article in the ENGINE PERFORMANCE section.
IDLE SPEED SPECIFICATIONS

Application Manual Trans. RPM (1) Auto. Trans. RPM
B2500 (2) (2)
B3000 825-875 875-925
B4000 800-850 725-775
Millenia N/A 600-700
MPV N/A 760-800
Protege (3)
1.5L 650-750 700-800
1.8L 700-800 700-800
626
2.0L 550-850 500-800
2.5L 550-750 550-750
(1) Place automatic transmission in Park.
(2) Information not available.
(3) Connect a jumper wire between terminals TEN and GND at data link connector. See Figure.