Check Engine Light Due to Catalytic Converter Failure on Nissan Altima Hybrid

The catalytic converter closest to the cylinder head can fail causing illumination of the Check Engine Light. Prompt repair of this problem is recommended because the catalyst material can be sucked into the engine and cause internal damage.

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Average mileage: (–)
Exhaust & Emissions affected: 2.5L 4 Cylinder
4 model years affected: 2007, 2008, 2009, 2010
5 people reported this problem
1 person shared problem details
replaced forward oxygen sensor and the light came back on in about 150 miles. put black tape over the light
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