Engine System ID

Engine VIN Code (4th digit in the VIN) U
Engine Displacement 4.0 Liter (242 cu in)
Engine Configuration V8 DOHC 32 valves
Engine Designation 1UZ-FE
Fuel System Sequential Multi-port Fuel Injection
Ignition System Nippondenso Electronic Ignition

The engine serial number is stamped at the upper front portion of the engine block.