1998 Buick Skylark Owner's Manual - Page 122

Have you recently changed brands fuel? of Oil Pressure Warning Light This light tells you there if could be a problem with your engineoil pressure. I so, be sure to your vehicle with quality (see f fuel fuel fuel quality will cause your "Fuel'' in the Index). Poor engine not to run as efficiently as designed. may You notice this as stalling afterstart-up, stalling when you put the vehicle into gem, misfiring, hesitation on acceleration or stumbling on acceleration. (These conditions may go away once the engineis warmed up.) This will be detected by system and cause light the the to turn on. If you experience one or moreof these conditions, least one change the fuel brand you use.It will require at full tank of the proper fuel to turnthe light off. If none of the above steps have made light turn off, the have your dealer or qualified service center check the vehicle. Your dealer hasthe proper test equipment and diagnostic tools to any mechanical or electrical fix problems that may have developed. This light can come on briefly, which is normal and doesn't show a problem: As a bulb check, the light comes on when you turn is your key toRUN and goes off when the engine started. If it doesn't, besure to haveit fixed so it will be there to warn you. For the four cylinder engine, when idling a stop at In sign, thelight may blink on and then off. addition, if you make a hard stop,the light may come on for a moment. But, when this lightcomes on and stays on, it means oil isn't going through your engine properly. could be You low on.oil, or you might have some other oil problem. 2-61