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1998 LEXUS ES 300
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KITZKATT
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I have a 1998 Lexus ES300. The code showing up is P0171 – System too Lean (Bank 1). What does it mean?
Apr 16, 2011 at 6:01 PM
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RASMATAZ
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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.
Apr 16, 2011 at 8:31 PM