Rough Idle

Check:

1. Carburetor
a. Idle Speed/Mixture
b. Inner Vent Solenoid Valve
c. A/C Idle Boost
d. Slow Air Jet Control
2. Manifold Absolute Pressure (MAP) Sensor (3)(5)
3. Intake Air Temperature (TA) Sensor (10)
4. Electronic Air Control Valve (14)
5. Feedback Control
6. Exhaust Gas Recirculation
7. PGM-CARB Control Unit (BU)

NOTE:
After each symptom, the system that could be the source of the symptom are listed and should be checked in the order they are listed, beginning with #1.

(BU) code used when the CHECK ENGINE warning light is on, and the self-diagnosis indicator LED is ON with no "blinks", the back-up system is in operation.

Self-diagnosis indicator, (LED) blinks (?), will follow associated systems.