Don't know what direction to go

Tiny
JSAUDE
  • MEMBER
  • 2000 MERCURY COUGAR
  • 2.5L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 159,000 MILES
Had car ran for codes showing both O2 sensors one is showing lean and one is showing rich also showing misfire on cylinder 3. Battery was dead and both terminals badly corroded. Where to start? Could it be building up in catalytic converter?
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Sunday, December 15th, 2013 AT 2:53 PM

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Tiny
WRENCHTECH
  • EXPERT
What were the exact code numbers?
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Sunday, December 15th, 2013 AT 3:20 PM

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