Mechanics

CODES

1998 Lexus ES 300

I have a 1998 Lexus ES300. The code showing up is P0171 – System too Lean (Bank 1). What does it mean?
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Kitzkatt
April 16, 2011.



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.

Rasmataz
Apr 16, 2011.