I am getting a P0171 code on my 2006 VW Jetta 2.5.

2006 VOLKSWAGEN JETTA
70,000 MILES
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TRAL999
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  • 1 POST
I have changed the Mass Air Flow sensor and the air filter. THe light is still coming on. Not sure where to go next.
Feb 25, 2012 at 9:40 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.

6.Oxygen Sensor.
Feb 25, 2012 at 9:42 PM
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