Rough Idle

SYMPTOM
Rough Idle/Fluctuation

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