2000 Infiniti G20 CODE PO171 (SYSTEM TOO LEAN BANK ONE)

2000 INFINITI G20
12,000 MILES • 4 CYL • FWD • AUTOMATIC
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MALDANA
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  • 1 POST
CODE READS "SYSTEM TOO LEAN BANK ONE"
ANY THOUGHTS OF MOST LIKELY CAUSE.
May 25, 2010 at 8:41 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Lean fuel condition could be caused by one of the following below:

1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
May 25, 2010 at 9:17 PM
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