2002 Ford Focus Owner Guide 4th Printing - Page 273

Maintenance and Specifications Engine oil and filter recommendations Look for this certification trademark. SAE 5W-20 engine oil is recommended. Use oils Certified For Gasoline Engines" by the American Petroleum Institute (API). Use Motorcraft or an equivalent oil meeting Ford specification WSSĆM2C153ĆH. Use oils Certified For Gasoline Engines" by the American Petroleum Institute (API). SAE 5WĆ20 oil provides optimum fuel economy and durability performance meeting all requirements for your vehicle's engine.Do not use supplemental engine oil additives or other engine treatments. They are unnecessary and could lead to engine damage that is not covered by Ford warranty. Change your engine oil according to the appropriate schedule listed in the Scheduled Maintenance Guide. Ford production and aftermarket (Motorcraft) oil filters are designed for added engine protection and long life. If a replacement oil filter is used that does not meet Ford material and design specifications, startĆup engine noises or knock may be experienced. 273