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2010 colorado obd code P2440 - 2004 Chevrolet TrailBlazer

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2008 Colorado , Code: P2431

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Sep 12, 2013 | Cars & Trucks

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Check engine light code p2440

Put the OBD P2440 into Google for the answer

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Grand Prix pontiac error code p0411 and p2440

P2440 refers to the Secondary Air Injection system. It means that the switching valve is stuck open. We already replaced the secondary air flow pump, now it's telling us that's its the secondary air flow sensor and the valve is stuck open. the code is coming up P2440

Oct 15, 2011 | 2006 Pontiac Grand Prix

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What does engine code p2440 indicate?

P2440 Secondary Air Injection System Switching Valve Stuck Open Bank1

Problem is usually the air switching valve that operates the air line coming from air intake to air pump, clean it or replace it.

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Aug 11, 2010 | 2007 Chevrolet Cobalt Coupe

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