I HAVE AN 03 FORD EXPEDTION AND THE CHECK ENGINE...

  • Tiny
  • Gus360
  • 2003 Ford Expedition
  • 17,800 miles

I have an 03 ford expedtion and the check engine lite come onwith the code po420 & po430. I have a little bit of white smokeing come out the muffler what can it be.

Thursday, February 28th, 2013 AT 4:30 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Cat converters are worn out and need to be replaced.

Roy

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Thursday, February 28th, 2013 AT 10:14 AM

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