1996 Oldsmobile 88 Owner's Manual - Page 123

If the Light Is On Steady You may be able to correctthe emission system malfunction by considering the following: Did you recently fuel into your vehicle? put If so, reinstall the fuel cap, making sure to fully install the cap.The diagnostic systemcan determine if the fuel cap has been off or improperly installed.A loose or left missing fuel cap will allowfuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn light off. the Did youjust drive through a deep puddlewater? of If so, your electrical system may be wet. condition The will usually be corrected when the electrical system dries out.A few driving trips should the light off. turn Have you recently changed brands fuel? of If so, be sure to fuel your vehicle with quality (see fuel "Fuel" in the Index). Poorfuel quality will cause your engine notto run as efficiently as designed. may You notice thisas stalling after start-up, stalling when you put the vehicle into gear, misfiring, hesitation on acceleration or stumbling acceleration. (These on conditions may go away once engine is warmed up.) the This will be detected the system and cause light by the to turn on. If you experience one or more these conditions, of change thefuel brand you use. will requireat least one It full tank of the proper fuel to turn the light off. If none of the above steps have made the light turn off, have your retailer qualified service center check the or vehicle. Your retailer has the proper test equipment and diagnostic tools to any mechanicalor electrical fix problems that may have developed. 2-67