1996 Pontiac Sunfire Owner's Manual - Page 122

NOTICE: If you keep driving yourvehicle with this light on, after a while, your emission controls may not work as well, your fuel economy may not be as good and your engine maynot run as smoothly. This could lead to costly repairs that may not be covered by your warranty. This light should come on, a a check to show you it is working, when the ignition is on and the engine is not running. If the light doesn't: come on, have it repaired. This light will also come on duringa malfunction in one of two ways: 0 If the Light Is Flashing The following may prevent more serious damage to your vehicle: Reduce vehicle speed. Avoidhard accelerations. 0 0 Avoid steep uphill grades. If towing a trailer, reduce the amount of cargo being hauled as soon as it ispossible. Light Flashing -- A misfire condition has been detected. A misfire increases vehicle emissions and may damage the emission control system on your vehicle. Dealer or qualified service center diagnosis and service is required. Light On Steady -- An emission control system malfunction has been detected on yourvehicle. Dealer or qualified service center diagnosis and service may be required. If the light stops flashing and remains on steady, see "If &e tight 1s mSteady" €aHowing. If the light continues to flash, whea it is safe to do so, stop the vehicle. Put your vehicle in PARK (P). Turn the key off, wait at least 10 seconds and restart the engine. If the light remains on steady,see "If the Light Is On Steady" following. If the light is still flashing follow the previous steps, and drive the vehicle to your dealer or qualified service center for service. 0 2-69