During Warm Up

SYMPTOM:
Frequent Stalling While Warming Up
CHECK
1. Electronic Control Unit (*)
2. Electronic Air Control Valve (14)
3. Fuel Injectors (16)
4. Fuel Supply
5. Air Intake
6. Manifold Absolute Pressure Sensor (3) (5)

Numbers in parantheses are the blink codes displayed on back of the ECU. (*) LED on the ECU is not on, or stays on without blinking. See [NOTES ON READING DIAGNOSTIC LIST] Article for more information. For ECU trouble code component testing procedures see [COMPUTERIZED ENGINE CONTROLS].