Chevrolet Cobalt owners manual page 129

text version of content this owner's manual page from owners manual to the vehicle Chevrolet Cobalt, year of production 2004 - 2010:

If the Light is Flashing been left off or improperly installed. A loose or missing The following may prevent more serious damage tofuel cap will allow fuel to evaporate into the atmosphere. your vehicle: Afew driving trips with the cap properly installed should turn the light off. • Reducing vehicle speed Did you just drive through a deep puddle of water? • Avoiding hard accelerationsIf so, your electrical system may be wet. The condition • Avoiding steep uphill gradeswill usually be corrected when the electrical system • If you are towing a trailer, reduce the amount ofdries out. A few driving trips should turn the light off. cargo being hauled as soon as it is possibleHave you recently changed brands of fuel? If the light stops ﬂashing and remains on steady, see “IfIf so, be sure to fuel your vehicle with quality fuel. See the Light Is On Steady” following.Gasoline Octane on page 5-5. Poor fuel quality will cause your engine not to run as efficiently as designed. If the light continues to ﬂash, when it is safe to do so,You may notice this as stalling after start-up, stalling stop the vehicle. Find a safe place to park your vehicle.when you put the vehicle into gear, misﬁring, hesitation Turn the key off, wait at least 10 seconds and restarton acceleration, or stumbling on acceleration. (These the engine. If the light remains on steady, see “Ifconditions may go away once the engine is warmed up.) the Light Is On Steady” following. If the light is stillThis will be detected by the system and cause the ﬂashing, follow the previous steps, and see your dealerlight to turn on. for service as soon as possible.If you experience one or more of these conditions, If the Light Is On Steady change the fuel brand you use. It will require at least one full tank of the proper fuel to turn the light off. You may be able to correct the emission systemIf none of the above steps have made the light turn off, malfunction by considering the following:your dealer can check the vehicle. Your dealer has Did you recently put fuel into your vehicle?the proper test equipment and diagnostic tools to ﬁx any If so, reinstall the fuel cap, making sure to fully installmechanical or electrical problems that may have the cap. See Filling the Tank on page 5-8. Thedeveloped. diagnostic system can determine if the fuel cap has 3-31

owners manual Chevrolet Cobalt

owners manual Chevrolet Cobalt - year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Chevrolet Cobalt owners manual EN