1996 Chevrolet Express Van Owner's Manual - Page 113
1996 Chevrolet Express Van Manual
Page 113 highlights
If the Light Is Flashing The following may prevent more serious damage to your vehicle: 0 Reduce vehicle speed. 0 Avoid hard accelerations. 0 Avoid steep uphill grades. If towing a trailer, reduce the amount of cargo being hauled as soon as it is possible. If the light stops flashingand remains on steady, see --IT the Light Is On Steady" following. If the light continues to flash, when 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 vehicle to your dealer or the qualified service center for service. Are you low on fuel? As your engine starts to run out of fuel, your engine may not run as efficiently as designed since small amountsof air are suckedinto the fuel line causing a misfire. The system can detectthis. Adding fuel should correct this condition. Make sure to install the fuel cap properly. It will take a few driving tripsto turn the light off. Have you recently changed brands of fuel? If so, be sure to fuel your vehicle with quality fuel (see "Fuel" in the Index). Poor fuel quality will cause your engine not to run as efficiently as designed. You may 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 cause the light to turn on. If the LightIs On Steady You may be able to correctthe emission system malfunction by considering the following: Did you just drive through a deep puddle water? of 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. If you experience this condition, change the fuel brand you use. It will require at least one 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 dealeror qualified service center check the vehicle. Your dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that may have developed. 2-51