2000 Nissan Sentra CAR RUNNING BAD

208,000 MILES • 4 CYL • FWD • AUTOMATIC
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GARYWAYNEBAKER
  • MEMBER
  • 1 POST
WHAT DOES BANK 1 RUNNING TO LAN MEAN AND WHAT WOULD CAUSE IT ?
Jun 8, 2010 at 1:44 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
means that the vehicle is detecting more oxygen in the fuel then what its expecting for the conditions its being ran at. can either be caused by a hole in the exhaust system before the o2 sensor. or a dirty MAF sensor. or a vaccum leak
Jun 8, 2010 at 3:05 PM
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