2001 Nissan Maxima

Tiny
TRACIEKENNEY
  • MEMBER
  • 2001 NISSAN MAXIMA
  • 6 CYL
  • FWD
  • MANUAL
  • 16,600 MILES
Service engine light on, run to high. Code is p0171, refers to the system running too lean. Too much oxygen. Friend thinks its the manifold intake
Monday, April 12th, 2010 AT 2:01 AM

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.
6. Oxygen sensor
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Monday, April 12th, 2010 AT 2:16 AM

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