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2001 Cadillac Deville "SERVICE ENGINE SOON"

Tiny
SHAKEBOI
  • MEMBER
  • 2001 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 95,000 MILES
Hi,
After scanning for the codes when my service engine icon comes on, it indicates that both of my O2 sensors are the problem. How do I find out if its both that's no good, or just one of them?
Thanks
Thursday, January 10th, 2008 AT 10:46 AM

1 Reply

Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
They will tell you which ones are bad(by the codes) bank 1 sensor 1 something like that, what are the codes?
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Friday, January 11th, 2008 AT 4:51 PM

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