2008 Gmc Yukon Engine Light Keeps Coming On Code 02 Sensors Replaced 4 Sensors

2008 GMC YUKON
119,000 MILES
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GREG BODELL
  • MEMBER
  • 1 POST
engine light keeps coming on. code for 02 sensors. I have replaced all 4 sensors
Dec 8, 2012 at 12:43 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
what is the codes????

the light never identifies bad parts, just failed systems.

Roy
Dec 8, 2012 at 3:58 PM
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