2002 LEXUS GS300 HAS ACCELERATION PROBLEM

  • Tiny
  • tmustang66
  • 2002 Lexus GS 300
  • 155,000 miles

Seems to straving for fuel. Does not accelerate well from a complete stop. It has two pending codes. Po171 and po174

Thursday, February 16th, 2012 AT 11:47 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

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.

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Thursday, February 16th, 2012 AT 11:49 PM

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