0
Oxygen Sensor There are actually (4) O2 sensors on your truck. If you look inside the wheel wells behind the fender liner, right about where the frame is one O2 sensor, the other is underneath the truck about half way back in relation to the transmission. If you see where the exhaust joints together, you went about 6" too far.
When you start looking at the O2 sensors, they are normally numbered something like "Bank 1 Sensor 1" Bank 1 is on the passenger side; Bank 2 is on the driver's side. Sensor 1 is the upstream sensor (near the frame, between the block and the cat) and Sensor 2 is near the Y-pipe (downstream of the cat).
Normally it is the upstream sensors (sensor 1) that go first. They see the harshest conditions. You will need; Oxygen Sensor Socket Anti-Seized Penetrating Oil Sometimes it will take 15 minutes or take a few hours it depends on your luck…
What else can I help you with?
How do you replace a radiator support on 2003 Ford Expedition?
How do you replace a radiator on 2003 ford expedition?
How do you replace the fog light located on a 2003 Ford Expedition?
How do you replace the fog light located on a 2003 Ford Expedition?
Show you how to replace ignition coils for a ford Expedition 2003?
98 expedition
How do you release tension bar to replace alternator 2003 ford expedition Eddie Bauer 5.4 liter 4wd?
need to replace alternator on a ford expediting 2003
How do you replace backup sensors on a 2003 ford explorer?
To replace the backup sensors on a 2003 Ford Explorer, first, locate the sensors on the rear bumper. Remove the bumper cover by unscrewing the necessary fasteners and disconnect any electrical connectors attached to the sensors. Replace the old sensors with new ones, reconnect the connectors, and reattach the bumper cover securely. Finally, test the sensors to ensure they are functioning properly.
How do you replace the fuel filter located on a 2004 Ford Expedition?
not so much an answr but direction. I believe it is the same as the 2003 so look at the answer for the 2003 expedition.
How many valves does the 2003 Ford Expedition have?
The 2003 Ford Expedition has 16 valves.
What size engine does the 2003 Ford Expedition have?
The 2003 Ford Expedition has a V8 engine.
How to Replace fuse in 2003 Ford Expedition?
whats is number the fuse stop ligths rear
What kind of transmission does the 2003 Ford Expedition have?
The 2003 Ford Expedition has a 4-speed automatic.
Is the 2003 Ford Expedition electric or gas?
The 2003 Ford Expedition is a gas-powered vehicle.
What is the angle of approach of the 2003 Ford Expedition?
The 2003 Ford Expedition has a 22.3 degrees angle of approach.
