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1998 Lexus ES 300 Repair Question


Topics covered: Sensor, Fuel injector, Fuel pressure.
Mileage: No information provided.

Asked on April 16, 2011

Codes

I have a 1998 Lexus ES300. The code showing up is P0171 – System too Lean (Bank 1). What does it mean?
Avatar Asked by kitzkatt

Answer

Replied on 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.

Tiny Answered by rasmataz
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