Mechanics

CAR RUNNING BAD

2000 Nissan Sentra

Engine Performance problem
2000 Nissan Sentra 4 cyl Front Wheel Drive Automatic 208000 miles

WHAT DOES BANK 1 RUNNING TO LAN MEAN AND WHAT WOULD CAUSE IT?
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Garywaynebaker
June 8, 2010.




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

Blackop555
Jun 8, 2010.


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