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How to Replace an Oxygen Sensor on a Toyota Avalon

When an oxygen sensor fails on your Toyota Avalon, the gas mileage of your car will noticeably decline. The Avalon oxygen sensor regulates the amount of fuel your car burns, and when it fails your Toyota burns more fuel than necessary.

Instructions

1

Locate the Avalons two oxygen sensors on either side of the catalytic converter on the exhaust manifold. The Avalons oxygen sensors look like a gold spark plug with a wire coming off the end.

2

Remove the Toyota Avalons wiring harness from the end of the both oxygen sensors using your fingers. Do not damage the end of the Avalons wiring harness.

3

Take out both of the Avalons oxygen sensors using the oxygen sensor wrench.

4

Apply the anti-seize compound to the Avalons two new oxygen sensors threads.

5

Install the Toyota Avalons two new oxygen sensors using the oxygen sensor wrench. Re-attach the wiring harness to the Avalons oxygen sensors using your fingers.

Posted by Unknown at 8:15 AM

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