2003 Chevrolet Monte Carlo Owner's Manual - Page 150
2003 Chevrolet Monte Carlo Manual
Page 150 highlights
Notice: If you keep driving your vehicle 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 may not run as smoothly. This could lead to costly repairs that may not be covered by your warranty. Nofice: Modifications made to the engine, transaxle, exhaust, intake or fuel system of your vehicle or the replacement of the original tires with other than those of the same Tire Performance Criteria (TPC) can affect your vehicle's emission controls and may cause this light to come on. Modifications to these systems could lead to costly repairs not covered by your warranty. This may also result in a failure to pass a required Emission Inspection/Maintenance test. This light should come on, as 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 Thio link+ t r r ; l l q l r n Pnrna n n "J i 2 I I" * d ~ ~ rY n n ,bpul,bu. I I ,,e L ' I , " " # , I Ul"" *nmo;rc\rl ""I "I Light On Steady - An emission control system malfunction has been detected on your vehicle. Dealer or qualified service center diagnosis and service may be required. Id the Light Is Flashing The following may prevent more serious damage to your vehicle: 0 Reducing vehicle speed. Avoiding hard accelerations. e Avoiding steep uphill grades. If you are towing a trailer, reduce the amount of cargo being hauled as soon as it is possible. If the light stops flashing and remains on steady, see "If the Light Is On Steady" following. If the light continues to flash, when it is safe to do so, V'uy ctnn G, ," UU. ... +ha r~ohirlo ""I..-.-. malfunction in one of two ways: 0 n Light Flashing - A misfire condition has been detected. A misfire increases vehicle emissions and may damage the emission control system on j W U l vehicle. Dealer aqualified sewice cecter diagnosis and service may be required. -Ilr Find a safe place to park your vehicle. 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 vehic!e to your dealer or qualified service center for service. 3-35