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coolant temperature

  1. 2003 Beetle 2.0 engine light still showing after ECT and MAF sensor replacement

    Questions, Issues or Problems with the New Beetle
    Hi, I've been working on this girl's 2003 Beetle because she has emissions coming up. The check engine light has been on so she got it checked out and the codes that came up were P2181 and P0171 which is a problem with the Mass Air Flow sensor and The Coolant Temperature Sensor. So I replaced...