Question about Hyundai Cars & Trucks
Code p 0131 refers to heated oxygen (HO2S) sensor 1 bank 1 ---low voltage ===causes --exhaust leak--wiring short to ground ---HO2S sensor ---ECM
the HO2s) is the sensor in the exhaust manifold before the cat converter and bank 1 is closest to the fire wall
the exhaust leak could be in the mesh covered section of the exhaust pipe from the manifold to the cat converter as they crack and that will throw out the HO2s reading back to the ECM
Posted on Apr 16, 2017
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Posted on Jan 02, 2017
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