1999 Nissan Altima P0171 Trouble Code - System Too Lean (Ba

1999 NISSAN ALTIMA
136,000 MILES • 4 CYL • 2WD • AUTOMATIC
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DRUMGUY836
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  • 1 POST
This trouble code came through my code scanner and I wanted to know what the possible causes and solutions for this problem would be.
Mar 21, 2008 at 12:15 AM
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SERVICE WRITER
  • ASE Certified Mechanic
  • 9,123 POSTS
  • ASE Certified Mechanic
My signature has a link to a manual the will give the possible causes and procedures. I would start by checking for an air leak in the snorkel and checking the intake manifold. You can spray some carb cleaner around it and listen for an idle change as you spray.
Mar 21, 2008 at 5:08 AM
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