1996 Buick Century Owner's Manual

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 yourengine not to run as efficiently as designed. You maynotice this as stalling after start-up, stalling when youput the vehicle into gear, misfiring, hesitation onacceleration or stumbling on acceleration. (Theseconditions may go away once the engine is warmed up.)This will be detected by the system and cause the lightto turn on.If you experience this condition, change the fuel brandyou use. It will require at least one full tank of theproper fuel to turn the light off.If none of the above steps have made the light turn off,have your dealer or qualified service center check thevehicle. Your dealer has the proper test equipment anddiagnostic tools to fix any mechanical or electricalproblems that may have developed.Engine Oil Pressure LightIf you have a problem withyour oil, this oil pressurewarning light may stay onafter you start your engine,or come on when you aredriving. Stop your vehicleand shut off the engine ifthis light stays on.This indicates that oil is not going through yourengine quickly enough to keep it lubricated.The engine could be low on oil, or could havesome other oil problem. Have your vehicleserviced immediately.