1998 Lexus ES 300 Repair Question
Topics covered: Sensor, Fuel injector, Fuel pressure.
Mileage: No information provided.
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?
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.