Mechanics

2ND AIR PUMP

2005 Chevrolet Trailblazer • 6 cylinder 4WD Automatic • 41,075 miles

Checked air pump works, replaced relay, cleared code. Chk eng light still on.
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Bbuell
November 28, 2010.



If this is the sai system you are talking about checkfor leaks/holes in hoses into an dout of the pump. If none then you'll have to have it checked by a pro as there are things you can't do that they can to test thesystem.

Hmac300
Nov 29, 2010.