2002 GMC Envoy

2002 GMC ENVOY
54,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FFERNANDEZ45
  • MEMBER
  • 1 POST
where is locate O2 sensor 1 bank 1
Jan 30, 2008 at 8:32 PM
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MASTERTECHTIM
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 4,750 POSTS
on the drivers side. it is the o2 closest to the engine.
Jan 30, 2008 at 8:38 PM