FORD issued a recall on the CROWN VICTORIA model

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.