Emission Control Systems

FIRING ORDER: 1-3-4-2
IDLE SPEED: [1] 850 ± 50 RPM
IGNITION TIMING: [2] 2 ± 1° BTDC
VALVE CLEARANCE: Not Adjustable
IDLE MIXTURE: Not Adjustable

[1] With test connector grounded, transmission in neutral (MTX) or park (ATX)
[2] Vacuum line disconnected and plugged