two near the exhaust manifolds, one on the cross over pipe going to right side, last one on top of right side pipe in front of cat converter
On my 1989 f250 the oxygen sensor is in the exhaust header pipe a few inches in front of the catalytic convertor
You need to specify which module.
Diesels do not use oxygen sensors
on the down pipe under the truck unplug the wire unscrew it screw in the new one with thread sealent plug in the wires Rooterman2
The jack on a 1999 F250 pick up truck is located behind the seat. There is a little compartment where the jack and everything needed is in.
It is located just above the starter, which is on the passenger side of the truck.
All of the engine sensors can affect fuel mileage.
On the exhaust pipe between the engine and the catalytic converter
front passanger side of engine. It runs off the camshaft
Store under the drain pan of the transmission.
The Ford F250 is a 3/4 ton truck and the F150 is a 1/2 ton truck. The main purpose for these differences, is pointing out the towing capabilities for each truck. The major difference between the F150 and F250 is size and power. The F250 has a more powerful drivetrain and can tow and haul more cargo.
Gas or diesel? Actually the fuel pump is located in the fuel tank and the tank needs to come out of the truck for replacement