1999 Ford 4.0 liter engine Source Source Source Source Source Source Source Source Source Source Read Also: Used 5.0 liter engine for 1999 ford explorer limited 1999 Ford ranger 3 liter engine 1999 Ford ranger motor 3.0 liter Torque specs 1999 3.0 liter ford motor 1999 Ford explorer 4.0 litre engine 5.4 Liter triton ford engine