po171

2003 VOLVO S40
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FELICIASO88
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  • 1 POST
i got the code po171 for my car it wont stay on at first i have to keep cranking it up before it will stay on
Mar 28, 2011 at 10:37 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the fuel pressure if its within specs

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.
Mar 28, 2011 at 11:03 PM
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