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Fast Idle Out of Spec When Cold



SYMPTOM: Cold Fast Idle Out Of Specifications.

CHECK
1. Electronic Control Unit (**)
2. Idle Controls
3. Electronic Air Control Valve (14)
4. Coolant Temperature Sensor (6)

Numbers in parentheses are the blink codes displayed at the CHECK ENGINE LIGHT. (**) CHECK ENGINE LIGHT on without blinking. Notes on Reading Diagnostic List For ECU trouble code component testing procedures see COMPUTERIZED ENGINE CONTROLS.