2006 Ford Crown Victoria Owner's Manual - Page 245

Maintenance and Specifications Note: Failure to use the correct air filter element may result in severe engine damage. The customer warranty may be voided for any damage to the engine if the correct air filter element is not used. MOTORCRAFT PART NUMBERS Component Air filter element Fuel filter Battery-standard Battery-heavy duty Oil filter PCV valve Spark plugs 1 4.6L SOHC V8 engine FA-1668 FG-986B BXT-65-650 BXT-65-750 FL-820-S 1 2 The PCV valve is a critical emission component. It is one of the items listed in scheduled maintenance information and is essential to the life and performance of your vehicle and to its emissions system. For PCV valve replacement, see your dealer or a qualified service technician. Refer to scheduled maintenance information for the appropriate intervals for changing the PCV valve. Replace the PCV valve with one that meets Ford material and design specifications for your vehicle, such as a Motorcraft or equivalent replacement part. The customer warranty may be void for any damage to the emissions system if such a PCV valve is not used. For spark plug replacement, see your dealer or a qualified service technician. Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Replace the spark plugs with ones that meet Ford material and design specifications for your vehicle, such as Motorcraft or equivalent replacement parts. The customer warranty may be void for any damage to the engine if such spark plugs are not used. 2 245 2005 Crown Victoria (cro) Owners Guide (post-2002-fmt) USA (fus)