Ford Crown Victoria: Engine

Affects Ford Crown Victoria · 1996 — about 2K vehicles.

The hazard

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.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational