2000 Chevrolet Tracker Owner's Manual - Page 122

Malfunction Indicator Lamp Light) (Service Engine Soon 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 as be good and your engine may not run as smoothly. This could lead to costly repairs that may not be covered by your warranty. SERVICE ENGINE SOON Your vehicle is equipped with a computer which monitors operationof the fuel, ignition and emission control systems. This system is called OBDI1 (On-Board This light should come as a checkto show youit is on, Diagnostics-Second Generation) and is intended to working, when the ignition on and the engine is not is assure that emissions are acceptable levels for at the running. If thelight doesn't comeon, have it repaired. life of the vehicle, helping to produce a cleaner This light will also comeon durinp a malfunctionin one environment. The SERVICE ENGINE SOON light of two ways: comes on to indicate that there is a problem and service is required. Malfunctions often will be indicated by the 0 Light Flashing -- A misfire condition has been detected. A misfire increases vehicle emissions and system before any problemis apparent. This may may damagethe emission control system your on prevent more serious damage to your vehicle. This vehicle. Dealer or qualified service center diagnosis system is also designedto assist your service technician and service may be required. in correctly diagnosing any malfunction. 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. 2-63