1996 Pontiac Grand Am Owner's Manual - Page 118

If the Light Is On Steady You may be ableto correct the emission system malfunction by considering the following: Did youjust put fuel into your vehicle? If so, reinstall the fuel cap, making sure to fully install the cap. The diagnostic system can determine if the fuel cap has been left or improperly installed. This will off allow fuel to evaporateinto the atmosphere.A few driving trips should turn the light,off. Did youjust drive through a! deep puddleof water? If so, your electrical system may be wet. The condition will usually be corrected when the electrical system dries out. A few driving trips should turn the light off. Are you low on fuel? condition. Make sure to install thefuel cap properly. It will take a few driving trips to turnlight off. the Have you recently changed brands fuel? of If so, be sure to fuel your vehiclewith quality fuel (see "Fuel" in the Index). Poor fuel quality will cause your engine notto run as efficiently as designed. may You notice this as stalling after start-up, stalling when you put the vehicle into gear, misfiring, hesitation on acceleration or stumbling on acceleration.. (These conditions may go away once the engine is warmed up.) This will be detected by the system and the light cause to turn on. If you experience this condition, change the brand fuel you use. It will require at least full tank of the one proper fuelto turn the lightoff. As your engine starts run out of fuel, your engine may to not run as efficiently as designed since small amounts of air are sucked into the fuelline causing a misfire. The system can detect this. Adding should correctthis fuel If none of the above steps have made the light off, turn have your dealeror qualified service center check the vehicle. Your dealer has the proper test equipment and diagnostic tools to any mechanical or electrical fix problems that may have developed.