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Contributor
52 Answers
- Posted on Nov 07, 2011
Re: I have "Subaru Outback" 2008. "Check Engine"is on
P0420 Usually indicates a bad catalytic converter or a bad oxygen sensor. Since you car is 2008 my money is on the oxygen sensor. Or it could be something as simple as an exhaust leak. The cruise control will keep flashing until you get the CEL fixed
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