1996 Pontiac Sunfire Owner's Manual - Page 225

A CAUTION: You can be injured and your vehicle could be damaged if you tryto 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, boltsand other fasteners. "English" and "metric" fasteners canbe easily confused. If you use the wrong fasteners, parts can later break or fall off. You could be hurt. could provide improved driveability emission control and system protection compared to othergasolines. Be surethe posted octane is at least 87. If the octane is less than 87, you may get a heavy knockingnoise when your engine. you drive. If it's bad enough, it can damage If you're using fuel rated at 87 octane or higher and you still hear heavy knocking, your engine needs service. But don't worry if you hear a little pinging noise when you're accelerating or driving up a hill. That's normal, and you don't have to buy a higher octane fuel getrid to of pinging. It's theheavy, constant knock that means you have a problem. If your vehicle is certified to meet California Emission Standards (indicated on the underhoodtune-up label), it is designed to operate on fuelsthat meet California specifications. If such fuels are notavailable in states adopting California emissions standards,your vehicle will operate satisfactorily on fuelsmeeting federal specifications, but emission control system performance may be affected. The malfunction indicator lamp on y a r ins&l2w"at- nmay t-gma 2 and/m y@!rvehicle. pe l may fail a smog-check test. If this occurs, return to your authorized Pontiac dealer for diagnosis determine the to cause of failure. In the event it is determined that the cause of the condition is the type fuels used,repairs of may not be covered by your warranty. Fuel Use regular unleaded gasoline rated at octane or higher. 87 A< a ~ ~ ~ R WitT Z I1, -m t ~ @ € k a t h ASTk? ~M d ~ D48 14 in the United States and CGSB 3.5-M93 in Canada. Improved gasoline specifications have been developed by the American Automobile Manufacturers Association (AAMA) for better vehicle performance and engine protection. Gasolines meeting the AAMA specification 6-2