OXYGEN SENSOR

EDGAR VELAZQUEZ

MEMBER
2007 HYUNDAI SANTA FE
6 CYL
FWD
AUTOMATIC
61,820 MILES

Wear do I find my oxygen sensor in my car? How can I replace it?

Sunday, February 21st, 2010 AT 10:43 AM

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,740 POSTS

There are a couple on it. They are located on the exhaust system. Basically, they just unbolt and replace them with new ones. Here is a guide to help walk you through with the oxygen sensor locations below.

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

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

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Sunday, May 23rd, 2010 AT 1:21 AM

NAVGUNS1072

MEMBER
1 POST
2003 HYUNDAI SANTA FE
6 CYL
2WD
AUTOMATIC
65,000 MILES

At first I went to Auto Zone and used their Scanner and it came up with O2 sensor Bank1 sensor 1 no activity. Ordered and changed both Bank 1 and 2 sensor 1's and then after clearing the codes I got another check engine light with codes P0134, P0154, P166 and P167. Thought maybe I had the sensors backwards so flipped them and cleared the code again but with no joy. Took it to the Hyundai service and they told me their was no activity in either banks sensors. I ensured that I plugged them in correctly and now I am at a total loss. I'm actually thinking the computer is needing some sort of repair. Please help

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Monday, April 1st, 2019 AT 10:39 AM (Merged)

KEN L

MASTER CERTIFIED MECHANIC
47,536 POSTS

Hello, the o2 sensor have no activity because they are full rich or lean. Check the air intake boot for leak, check for vacuum leaks, check the fuel pressure regulator vacuum line for fuel, if any leaks are found replace or repair as needed. The original 02 sensor were probably ok. The additional codes could be from the new sensors. Please check it out and get back to me.

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Monday, April 1st, 2019 AT 10:39 AM (Merged)