is it imperative to fix this problem, or is it more of a "non-issue?"

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will code po446 cause REAL problems to vehicle if not repaired?

Nov 7, 2015

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2004 GMC Sierra 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

is it imperative to fix this problem, or is it more of a "non-issue?"

What is your question?

will code po446 cause REAL problems to vehicle if not repaired?

troyboy08 in South Amboy NJ

Nov 7, 2015

1 Reply

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pushrodon Nov 7, 2015

http://www.engine-codes.com/p0446_chevrolet.html .... Read the TSB for this as well..

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2004 GMC Sierra 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.