Unable to clear coad

Tiny
RNM97
  • MEMBER
  • 2000 CHEVROLET EXPRESS
  • V8
  • 2WD
  • AUTOMATIC
  • 226,000 MILES
I have a 2000 chevy express with a 5.7L showing 4 codes 1. Random missfire 2. Missfire cylnder2 3. Fuelsystem too lean bank 1 4. Fuelsystem too leanbank 2 could this all come from bad o2 sensors?
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Saturday, March 5th, 2011 AT 2:20 AM

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Tiny
DAVE'S BIG BACKYARD!
  • EXPERT
That thing has a very bad vac leak.
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Saturday, March 5th, 2011 AT 3:42 AM

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