1998 Chevrolet Tracker Owner's Manual - Page 241

If your vehicle is certified to meet California Emission To provide cleaner air,all gasolines in the United States Standards (indicated on the underhood emission control are now required to contain additives that will help label), it is designed to operate on fuels that meet prevent depositsfrom forming in your engine and fuel California specifications. If such fuels are not available system, allowing your emission control system to in states adopting California emissions standards, your function properly. Therefore, you should not have to vehicle will operate satisfactorily on fuels meeting add anything to the fuel. In addition, gasolines federal specifications, but emission control system containing oxygenates, such as ethers and ethanol, and performance may be affected. The malfunction indicator reformulated gasolines may be available your area to in lamp on your instrument panel may turn on and/or your help clean the air. General Motors recommends that you vehicle may fail a smog-check test.If this occurs, return use these gasolines they comply with the if specifications described earlier. to your authorized Chevrolet dealer for diagnosis to determine the cause failure. In the eventit is of determined that the cause the conditionis the typeof of NOTICE: fuels used, repairs may not covered by your warranty. be Some gasolines that are not reformulated for low emissions contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT); ask your service station operator whether or not his fuel contains MMT. General Motors does not recommend the use of such gasolines.If fuels containing MMT are used, spark pluglife may be reduced and your emission control system performance may be affected. The malfunction indicator lamp on your instrument panel may turn on. this occurs, return to your authorized If Chevrolet dealer for service. Your vehicle was not designed fuel that for contains methanol. Don't use it. It can corrode also metal parts in your fuel system and damage plastic and rubber parts. That damage wouldn't be covered under your warranty. 6-4