replacing the O2 senors on a 2004 trailblazer v6

2004 CHEVROLET TRAILBLAZER
10,600 MILES
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SMH5362
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  • 1 POST
need diagram of engine
Feb 16, 2012 at 4:57 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
O2 sensors are on the exhaust system. I don't have a diagram of engine.
Feb 16, 2012 at 5:29 PM
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