Code P0154, where is the Oxygen Sensor located?

JORDYALFARO52

MEMBER
2006 HONDA ACCORD
3.0L
V6
AUTOMATIC
156,000 MILES

The car is giving me code P0154 (no activity on o2 sensor bank 2 sensor 1). I already ordered the replacement o2 sensor just having trouble finding exactly where to find where this sensor is located. Is it underneath the car or can it be accessed through the hood? Thank you

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,942 POSTS

Yep, the primary oxygen sensor is up near the engine's exhaust manifolds while the secondary sensor is down on the exhaust system after the catalytic converter. Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the images (below). Let us know if you need anything else.

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Sunday, January 28th, 2024 AT 11:15 AM

JORDYALFARO52

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7 POSTS

So, the sensor is located underneath the car correct I can't do it from the hood?

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Sunday, January 28th, 2024 AT 1:05 PM

KEN L

MASTER CERTIFIED MECHANIC
42,942 POSTS

You can change it from under the hood. Bank 2 sensor 1 is near the cylinder head in the exhaust manifold on the left side of the engine closet to the radiator.

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Monday, January 29th, 2024 AT 9:46 AM