2000 Mercury Sable oxygen sensors

Tiny
JLP10
  • MEMBER
  • 2000 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 166,000 MILES
My check engine light is on. My local parts store checked the code and it says bank two sensor two is bad. I replaced the oxygen sensor on the cyclinder bank closest to the firewall after the cat and the check engine still comes back on after resetting it. Did I change the correct sensor? HELP ! Thank You !
Monday, September 14th, 2009 AT 7:30 PM

1 Reply

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Ok here is how it breaks down. Bank 1 is the right bank (closest to the fire wall), bank 2 is the left bank (closest to the radiator. Now sensor 1 is the one closest to the engine and sensor 2 is the one behind the cat. Convertor. So no you replaced the wrong one. Now you know how they are labeled. Hope this helps.
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Tuesday, September 15th, 2009 AT 11:31 AM

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