2009 Ford Focus Owner Guide 2nd Printing - Page 251

Maintenance and Specifications MOTORCRAFT PART NUMBERS Component 2.0L I4 engine Air filter element FA-18901 Oil filter FL-9102 Battery BXT-96R Temporary mobility kit refill TA-33 canister 3 PCV valve 4 Spark plugs 1 Non PZEV only: Failure to use the correct air filter element may result in severe engine damage. The customer warranty may be void for any damage to the engine if the correct air filter element is not used. For PZEV, the air filter is designed to last the life of the vehicle. See your authorized dealer or qualified technician for replacement. The technician can check the diagnostics system for the possibility of an excessively dirty air filter. 2 Only use the specified replacement oil filter. The use of a non-specified oil filter can result in engine damage. 3 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 authorized dealer. 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. 4 For spark plug replacement, see your authorized dealer. 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. 251 2009 Focus (foc) Owners Guide, 2nd Printing USA (fus)