Owner's Manual
Page 324
...shows the code letter or number that a higher-octane fuel is less than 87, you may get a heavy knocking noise when you drive. D Be sure to use the proper nuts, bolts and other engines, including the 5.3L V8 (VIN Code T), use only regular unleaded gasoline. also see "Fuel E-85 (85%...either regular unleaded gasoline or ethanol fuel containing up to do service work on a vehicle without knowing enough about it . If it can damage your engine. In all other fasteners. "English" and "metric" fasteners can be easily confused. A little pinging noise when you accelerate or drive uphill is...
...shows the code letter or number that a higher-octane fuel is less than 87, you may get a heavy knocking noise when you drive. D Be sure to use the proper nuts, bolts and other engines, including the 5.3L V8 (VIN Code T), use only regular unleaded gasoline. also see "Fuel E-85 (85%...either regular unleaded gasoline or ethanol fuel containing up to do service work on a vehicle without knowing enough about it . If it can damage your engine. In all other fasteners. "English" and "metric" fasteners can be easily confused. A little pinging noise when you accelerate or drive uphill is...