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Engine Emission Control - 2.0L Duratec- S-MAX/Galaxy 2006.5 (02/2006-)
Diagnosis and Testing General Equipment Inspection and Verification 1. 1. Verify the customer concern. 2. 2. Visually inspect for obvious signs of mechanical or electrical damage. Visual Inspection Chart 3. 3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step. 4. 4. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Chart Worldwide Diagnostic System (WDS) Mechanical Electrical Hose(s)/hose joints Electrical connector(s) Symptom Possible Sources Action Poor engine EGR valve. * Using the WDS, CHECK the EGR Valve Duty Cycle input signal to the EGR vacuum regulator valve. If the result is Exhaust Gas Recirculation (EGR) Valve (303- 08A Engine Emission Control - 2.0L Duratec-HE * Excessive Blocked or damaged PCV Blocked crankcase vent * * CHECK the PCV system components for blockages, CLEAN or INSTALL new components as necessary. * Worn or damaged * REFER to: Engine (303-01A, Diagnosis and Testing). * |