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How to Replace the Oxygen Sensor on a 2001 Toyota Tundra

The oxygen sensor in your 2001 Toyota Tundra may one day go bad and need replacement. The oxygen (O2) sensor is responsible for regulating the oxygen and fuel ratio in your vehicle, contributing to the efficiency of gas usage. If the oxygen sensor goes bad, your Tundra may run poorly and get poor gas mileage. Knowing how to replace it yourself can save you money.

Instructions

Instructions

1

Locate the oxygen sensor on the pre-catalytic converter. This is located near the right-front wheel well of your Tundra.

2

Detach the large air intake pipe that is connected to the air box going to the rear turbo. Also remove the two smaller air pipes connected to the air box running to the blow off. This will give you access to reach the sensor. Soak the oxygen sensor in penetrating oil (WD-40 or similar) to loosen it for easier removal.

3

Use the 7/8-inch wrench to remove the old oxygen sensor. Find the stock sensor wire near the engine lift loop by the firewall. Splice the stock sensor wire and connect it with the wires to the new oxygen sensor using crimp connectors.

4

Apply some of the anti-seize paste to the threads of the new sensor. Be caul not to get any of the paste on the sensor itself or it will ruin it. This will make the oxygen sensor easier to remove the next time.

5

Screw the new sensor in by hand. Fully tighten it with the wrench so it can not be loosened by hand. Reattach the air pipes again.

Posted by Unknown at 1:15 AM

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