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p0401

  1. P0401 error and car stalling

    1st Gen TL
    Last year I got the P0401 error code and I was told if I only used premium gasoline in the tank then I would be golden and it worked. Whenever I didnt full up with premium the light would go on. So fast forward to today... Today my check engine light came on again and it was the P0401 code...
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