2004 Mazda MPV Codes

2004 MAZDA MPV
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LUVNMYFAMILY2010
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  • 1 POST
2004 Mazda MPV 6 cyl Automatic 159600 miles

I had my Mazda put on a computer 3 times and these are the codes that came up and I wanted to know what they meant.

P0431 P0171 P0174?????
Aug 11, 2010 at 5:33 PM
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RASMATAZ
  • ✓Experienced 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.
Aug 11, 2010 at 7:07 PM
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