1998 Pontiac Firebird Owner's Manual - Page 142

If the LightIs Flashing The followingmay prevent more serious damage to your vehicle: Reducing vehicle speed. Avoiding hard accelerations. 0 If the LightIs On Steady You may be able to correct emission system the malfunction by considering the following: Did you recently put fuel into your vehicle? If so, reinstall the fuel cap, making sure fully install to the cap.The diagnostic system can determine the fuel if cap has been left off improperly installed.A loose or or missing fuel cap will allow fuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn the light off. Did youjust drive througha 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? As your engine starts to run of fuel, your engine out may 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 fuel should correct this condition. Make sure to install the fuel properly. It cap will take a few driving trips turn the light to off. Avoiding steep uphill grades. If you are towing a trailer, reduce the amount of cargo being hauled as soon asis possible. it If the light stops flashing remains on steady, see"If and the Light Is On Steady" following. If the light continues to flash, when safe todo so, it is stop the vehicle. Find a safe place park your vehicle. to Turn the key wait at least 10 seconds and restart the off, engine. If the light remains on steady, see "If the Light Is On Steady" following. the lightis still flashing, If follow the previous steps, and drive vehicle to your the dealer or qualified service center for service. 2-87