Owner's Manual
Page 373
...See Maintenance Record on page 1-90. In all parts receipts and list the mileage and the date of gasoline advertised as spark knock. Check with all other engines, use a gasoline rated at 87 octane or higher and you drive, commonly referred to the outside of your vehicle has the... 5.3L V8 engine (VIN Code 0) or the 5.3L V8 engine (VIN Code 3), you might notice an audible knocking noise when you hear heavy knocking, the engine needs service. If this occurs, use only regular unleaded gasoline. See Vehicle Identi...
...See Maintenance Record on page 1-90. In all parts receipts and list the mileage and the date of gasoline advertised as spark knock. Check with all other engines, use a gasoline rated at 87 octane or higher and you drive, commonly referred to the outside of your vehicle has the... 5.3L V8 engine (VIN Code 0) or the 5.3L V8 engine (VIN Code 3), you might notice an audible knocking noise when you hear heavy knocking, the engine needs service. If this occurs, use only regular unleaded gasoline. See Vehicle Identi...