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.

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

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 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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