2004 Ford Focus Owner Guide 2nd Printing - Page 191
2004 Ford Focus Manual
Page 191 highlights
Maintenance and Specifications These temporary malfunctions can be corrected by filling the fuel tank with good quality fuel and/or properly tightening the fuel cap. After three driving cycles without these or any other temporary malfunctions present, the Check engine/Service engine soon light should turn off. (A driving cycle consists of a cold engine startup followed by mixed city/highway driving.) No additional vehicle service is required. If the Check engine/Service engine soon light remains on, have your vehicle serviced at the first available opportunity. Readiness for Inspection/Maintenance (I/M) testing In some localities, it may be a legal requirement to pass an I/M test of indicator is on, refer to the the on-board diagnostics system. If your description in the Warning lights and chimes section of the Instrument Cluster chapter. Your vehicle may not pass the I/M test with indicator on. the If the vehicle's powertrain system or its battery has just been serviced, the on-board diagnostics system is reset to a "not ready for I/M test" condition. To ready the on-board diagnostics system for I/M testing, a minimum of 30 minutes of city and highway driving is necessary as described below: • First, at least 10 minutes of driving on an expressway or highway. • Next, at least 20 minutes driving in stop-and-go, city-type traffic with at least four idle periods. Allow the vehicle to sit for at least eight hours without starting the engine. Then, start the engine and complete the above driving cycle. The engine must warm up to its normal operating temperature. Once started, do not turn off the engine until the above driving cycle is complete. 191 2004 Focus (foc) Owners Guide (post-2002-fmt) USA English (fus)