If the Light Is On SteadyYou also may be able to correct the emission systemmalfunction by considering the following:Did you recently put fuel into your vehicle?If so, reinstall the fuel cap, making sure to fully installthe cap. See Filling the Tank on page 5-8. Thediagnostic system can determine if the fuel cap hasbeen left off or improperly installed. A loose or missingfuel cap will allow fuel to evaporate into the atmosphere.A few driving trips with the cap properly installedshould turn the light off.Did you just drive through a deep puddle of water?If so, your electrical system may be wet. The conditionwill usually be corrected when the electrical systemdries out. A few driving trips should turn the light off.Have you recently changed brands of fuel?If so, be sure to fuel your vehicle with quality fuel. SeeGasoline Octane on page 5-5. Poor fuel quality willcause your engine not to run as efficiently as designed.You may notice this as stalling after start-up, stallingwhen you put the vehicle into gear, misfiring, hesitationon acceleration, or stumbling on acceleration. (Theseconditions may go away once the engine is warmed up.)This will be detected by the system and cause thelight to turn on.If you experience one or more of these conditions,change the fuel brand you use. It will require at leastone full tank of the proper fuel to turn the light off.If none of the above steps have made the light turn off,your dealer can check the vehicle. Your dealer hasthe proper test equipment and diagnostic tools to fix anymechanical or electrical problems that may havedeveloped.Emissions Inspection and MaintenanceProgramsSome state/provincial and local governments have ormay begin programs to inspect the emission controlequipment on your vehicle. Failure to pass thisinspection could prevent you from getting a vehicleregistration.3-69
