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2007 Chevrolet Impala with engine code P0172, what is the meaning?

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2007 Chevrolet Impala with engine code P0172, what is the meaning?

Vehicle: 2007 Chevrolet Impala

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Hi there,

This code means the exhaust is to rich on bank 1. This is usually the result of a faulty front O2 sensor but can also be the result of a leaking fuel injector or an issue with to high a fuel pressure.
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P0172 CHEVROLET - Fuel Trim System Rich Bank 1

Read more: https://www.autocodes.com/p0172_chevrolet.html

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