Frequent Stalling After Engine Warm-Up

SYMPTOM
Frequent Stalling After Warm-up

Check:
1. Idle Control System
a. Electronic Air Control Valve (EACV) (14)
b. Idle Adjusting Screw
2. Fuel Supply
a. Fuel Injector (16)
b. Fuel Filter
c. Pressure Regulator
d. Fuel Pump
3. Emission Control System
a. Exhaust Gas Recirculation (EGR) System (12)
4. PGM-FI Control (ECU) 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.