CHECK ENGINE LIGHT

  • Tiny
  • johnce
  • 2002 Mercedes Benz ML320
  • 6 CYL
  • AWD
  • automatic

2002 mercedes 320 ml check engine light?O2 sensor code po141 and po140 how many sensor are there before cat converter? Should both be changed?Thank you

Thursday, March 10th, 2011 AT 5:45 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

See below

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Thursday, March 10th, 2011 AT 7:48 PM

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