Question about 1999 Subaru Forester

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Check engine light on - steady, not blinking. The manual says the gas cap may not have been put on tight (didn't seem to make the light go out) or that it's something with the emissions system?

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  • Anonymous Jul 30, 2008

    Same car, same problem. Seems ours is a code P0420 - lots on the web for that. Basically we're going to reset it and see if it comes back on. Then we'll determine whether it's an oxygen sensor or the catalytic converter ($$$$).

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I had the same problem , 99 subudu code po420 , the problem was air leaking into the fuel system , cause was from the gas filler tube to the gas tank. it was rotted so i replaced the filler tube( thats where you screw your gas cap onto and it goes down to the tank ) and cleared the code and haven't had a problem since.

Posted on Aug 23, 2008

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