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Chevrolet Silverado GMT900 How to Clean a Faulty Mass Air Flow Sensor
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p0172 code 1997 Silverado

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November 27th, 2011 | 8:26 AM

#11

EinST

CF Veteran

Joined: Mar 2011

Posts: 1,709

Likes: 3

Welcome to the forum.

Any problem in the emission control system or anything that raises the emission level will turn on the CEL. You'll want to get your vehicle scanned and go from there.

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