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

Tiny
MALDANA
  • MEMBER
  • 2000 INFINITI G20
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 12,000 MILES
CODE READS "SYSTEM TOO LEAN BANK ONE"
ANY THOUGHTS OF MOST LIKELY CAUSE.
Tuesday, May 25th, 2010 AT 8:41 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Tuesday, May 25th, 2010 AT 9:17 PM

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