05 Trailblazer engine light on on 2005 Chevrolet Trailblazer

My TBs engine light is on, we had the codes read and it came up code 4 10,secondary air injection system malfunction.Has anyone had a simalar problem,or does anyone know the location of this problem?thankyou

by in Boss, MO on August 15, 2009
3 answers
ANSWER by on August 20, 2009
Code P0410 on your 2005 Chevrolet Trailblazer relates to the secondary air injection system. This system pumps fresh air into the exhaust manifold during engine warm-up to help burn excess fuel and get the catalytic converter up to operatimg temperature faster. P0410 means the system is not working. The pump may have failed, it is located under the front of the engine. There could also be a problem with a check valve or related plumbing. The system should be properly diagnosed before any repairs are attempted.
ANSWER by on March 18, 2010
bad ground wire to frame under drivers door by body mount ,take off wire clean wire conector and frame bolt size is 10 mm. this fixed my 2005 trailblazer.
ANSWER by on July 08, 2010
What ended up being the resolution of your problem? I'm having problems with my secondary emissions also, though I don't have my code number.
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