Engine System ID

ENGINE VIN CODE ID Y Gasoline (8th digit)
T Compressed Natural Gas (CNG) (8th digit)

Engine 5.2L (318 cid) 8-cyl.
Engine Configuration V8-OHV.
Computer System Jeep/Truck Engine Controller (JTEC).
Fuel Control System Multi-Point Fuel Injection (MPI).
Ignition System JTEC Controlled Electronic Ignition.