secondary air injection pump

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secondary air injection pump - 2/29/2008 3:17:35 AM    mp28560   Posts: 1 Joined: 2/29/2008 Status: offline Help!. I have a 2004 Trailblazer 4.2. I am on my second pump. The first one a dealer replace and just told me it was a bad pump. Then the check engine light came on again with the same code. This time I looked at it. When I took the line off water came out.The pump was completely full of water. No one can tell why this happened or how to fix it. I replace the check valve on the block and replaced the pump. I had it reset and light came back on with the same code (p0410). < Message edited by mp28560 -- 3/2/2008 3:35:20 PM > Post #: 1

RE: secondary air injection pump - 3/12/2008 9:14:59 AM    rbarrios   Posts: 172 Joined: 2/1/2007 Status: offline theres a revised check valve to keep water from forming in the pump. (in reply to mp28560) Post #: 2

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