1997 Chevrolet Malibu Owner's Manual - Page 225

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