1996 Cadillac Eldorado Owner's Manual - Page 261

specification could provide improved driveability and to emission control system protection compared other gasolines. You can be injured and your vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. Be sure you have sufficient knowledge, experience, and the proper replacement parts and tools before you attempt any vehicle maintenance task. 0 Be sure to use the proper nuts, bolts and other fasteners."English'and "metric" fasteners can be easily confused. If you use the wrong fasteners, parts can later break or fall off. You could be hurt. Be sure the posted octane premium is at least 91.If for the octane is less than 91, you may get a heavy knocking noise when you drive. an emergency, you may be (In a 87 able to use lower octane -- as low as -- if heavy If knocking does not occur.) you're using 91 or higher octane unleaded gasoline and you hear heavy still knocking, your engine needs service. 2 Fuel Use premium unleaded gasoline rated 91 octane or at higher. At a minimum, should meet specifications it ASTM D4,814in the UnitedStates and CGSB 3.5-M93 i Canada. Improved gasoline specifications have been n developedbytheAmericanAutomobileManufacturers Association (AAMA)for.better vehicle performance and engine protection. Gasolines meeting the AAMA If your vehicle is certified to meet California Emission 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 states in adopting California emissions standards, your vehicle will operate satisfactorilyon fuels meeting federal specifications, but emission control system performance may be affected. The malfunction inbcator lamp on your instrument panel may on and/or your vehicle turn may fail a smog-check test. this occurs, returnto your If authorized Cadillac dealer diagnosis to determine the for cause of failure. In the eventit is determined that the cause of the conditionis the type of fuels used, repairs may not be covered by your warranty. 6-2