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Oxygen Sensor (Ford Expedition, Ford F-150, Navigator)
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
I have even used a small plumbers propane tank and heat it up and it help get them free.
Sometimes it will take 15 minutes or take a few hours it depends on your luck…
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∙ 14y ago
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Where is the location of bank 1 sensor 2 on a 2000 Nissan quest?
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Where is the bank 2 sensor 1 OS location on a 2001 Chevy suburban?
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Where is 02 sensor bank 2 location on a 1998 explorer?
where is the oxygen sensor location on a 1998 explorer bank 2 sensor
Where is the 02 sensor bank 2 2 location?
Bank one is the side of the engine with cylinder #1. Sensor two is after the catalytic converter.
Where is location of oxygen sensor bank 1 sensor 2 1998 ford explorer?
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Oxygen sensor location for Hyundai Santa Fe bank 1 sensor 2?
The oxygen sensor location for a Hyundai Santa Fe bank 1 sensor 2 the radiator and A/C line-Ox sensor body. The replacement sensors is available at most auto parts stores.
OBDII tool identified bad Bank 2 Sensor 2 oxygen sensor on 1999 Chevy Suburban where is it or how do you identify the location by Bank and Sensor numbers?
bank 1 is the side with # 1 spark plug on the same side sensor 1 is the sensor first (before cat converter) sensor 2 would be after the converter
