See also:

Operating tips
-When the engine coolant temperature and outside air temperature are low, the air flow from the foot outlets may not operate for a maximum of 150 seconds. However, this is not a malfunction. ...

King Cab
Maximum towing capacity: 6,500 pounds (4x2 V-6), 6,300 pounds (4x4 V-6) Maximum payload range: 899-1,547 pounds (depending on trim, engine, transmission) ...

Engine serial number
MR20DE QR25DE The number is stamped on the engine as shown. ...