Poor Mileage

POSSIBLE CAUSE ACTION

Feedback motor malfunction Check and service as required.
Refer to FEEDBACK CARBURETOR
ACTUATOR MOTOR.

Carburetor feedback system COMPUTERIZED
ENGINE CONTROLS.

Cold enrichment, or choke system Check choke system function and
malfunctioning adjustment.

Purge vent control valve Check evaporative control valve
malfunctioning and evaporative system.