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2013 Chevrolet Suburban

Platform: GMT 400, 800, 900

P0446 code

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Sep 11, 2017 | 7:57 PM

Greg888

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P0446 code

2001 silverado 8.1 liter 4wd.
Checked around engine and found vacuum line from back of intake to A.I.R. module collapsed and severely deteriorated. Could that cause a P0446 code? What is an A.I.R. module?

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