Owner's Manual
Page 384
... notice a heavy knocking noise when you could turn on page 5‑18. Recommended Fuel If the vehicles has the 6.0L V8 engine (VIN Code J), use premium unleaded gasoline with a posted octane rating of gasolines containing MMT. and Canada Only) At a minimum, gasoline should meet California specifications. If this occurs, return to...
... notice a heavy knocking noise when you could turn on page 5‑18. Recommended Fuel If the vehicles has the 6.0L V8 engine (VIN Code J), use premium unleaded gasoline with a posted octane rating of gasolines containing MMT. and Canada Only) At a minimum, gasoline should meet California specifications. If this occurs, return to...