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2008 Chevrolet Malibu Hybrid 2.4L with code P0420

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2008 Chevrolet Malibu Hybrid 2.4L with code P0420, what is the best solution? what is the meaning?

Vehicle: 2008 Chevrolet Malibu Hybrid 2.4L

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This code is for a faulty bank 1 catalytic converter. Most cases the converter must be replaced to resolve the issue.
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P0420 CHEVROLET - Catalyst System Low Efficiency Bank 1

Read more: https://www.autocodes.com/p0420_chevrolet.html

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