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P0130 - Where is the o2 sensor 1 located in a Hyundai Tucson 2008?

My check engine light came on and it is because of the Bank 1 Sensor 1 (o2 sensor) in a 2008 Hyundai Tucson. Where is this located and how difficult is it to replace?

Thank you!

asked Feb 10, 2011 by anonymous

1 Answer

The one closest to the engine is "Bank 1 - Sensor 1"

Bank 1 is always the side of the engine with cylinder #1. Bank 2 is always the side of the engine with cylinder #2. This only matters on the V6, not on the inline 4 cyl. Bank 1 is the bank of cylinders on the firewall side. Bank 2 is the bank of cylinders on the radiator side.

Sensor 1 is the O2 sensor before the cat. Sensor 2 is the O2 sensor after the cat.


answered Feb 10, 2011 by anonymous
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