1999 GMC Suburban 02 Sensor

1999 GMC SUBURBAN
135,000 MILES • V8 • 4WD • AUTOMATIC
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STEVWYK
  • MEMBER
  • 1 POST
Where is the 02sensor [bank1]ensor located
Nov 17, 2008 at 7:43 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Bank one is driver side
bank two is passenger side
sensor 1 is before the catalytic converter
and sensor 2 is after the cat
so if you are looking for bank 1 sensor 1
it will be the driver side 1st sensor before the cat

need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
Nov 17, 2008 at 8:16 PM
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