PO420 CATALYST SYSTEM EFFICENAY BEWOW THRESHOW

  • Tiny
  • Anonymous
  • 2001 Ford Fiesta
  • 54,000 miles

Po420 catalyst system efficenay bewow threshow

Thursday, December 27th, 2012 AT 4:16 PM

1 Answer

  • Tiny
  • ctasquier
  • Member

P 0420 exhaust catalyst effiency below threshold.
This means the catalytic converter on the exhaust system is not working as it should and should be replaced.

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Wednesday, January 16th, 2013 AT 9:31 PM

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