Issue
Hazard description
NOTE: POLICE INTERCEPTOR VEHICLES WITH 4.6 L 2V ENGINES. UNCURED SILICONE GEL MIGRATING DOWN THE MASS AIR-FLOW SENSOR (MAFS) SENSING ELEMENT SUPPORT POSTS MAY COLLECT DUST AND DIRT PARTICLES. THESE PARTICLES CHANGE THE THERMAL CHARACTERISTICS OF THE MAFS WHICH MAY CAUSE AN ENGINE DETONATION/SPARK KNOCK CONDITION. HEAVY DETONATION CAN CAUSE SPARK PLUG DAMAGE, INTAKE VALVE OVERHEATING, VALVE SEATING CONCERNS AND PISTON/RING DAMAGE POTENTIALLY RESULTING IN ENGINE FAILURE. CORRECTION: MASS AIR-FLOW SENSORS WILL BE REPLACED.
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