replacing the O2 senors on a 2004 trailblazer v6

2004 CHEVROLET TRAILBLAZER
10,600 MILES
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SMH5362
  • MEMBER
  • 1 POST
need diagram of engine
Feb 16, 2012 at 8:57 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
O2 sensors are on the exhaust system. I don't have a diagram of engine.
Feb 16, 2012 at 9:29 AM
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