Trouble code po171

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03-06-2011 | 02:37 AM

ponyboy02

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1st Gear

Joined: Jan 2011

Posts: 12

Trouble code po171

So this is a lean code, dies this mean the mass air flow sensor is bad, bad O2 sensor? Does anyone know for sure or is more info needed to diagnose? Anyone have idea on repair cost?

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