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  1. Byron Fury
    Post

    P0171- I think I need to replace vacuum hoses.

    Hey thanks so much for that! I just plugged in my scan tool and it seems as if one of the oxygen sensors are acting normally but I'm not sure what...
    Post by: Byron Fury, Jul 9, 2021 in forum: Generation 1 Prius Discussion
  2. Byron Fury
    Post

    P0171- I think I need to replace vacuum hoses.

    I'm not sure if this is a problem. I doubt it because I've already replaced this once. Unless I got a bad part.
    Post by: Byron Fury, Jul 9, 2021 in forum: Generation 1 Prius Discussion
  3. Byron Fury
    Thread

    P0171- I think I need to replace vacuum hoses.

    Gen-1 2002 Because I have a P0171 and have already replaced the Mass flow sensor, I assume I have a vacuum leak somewhere. I'd like to replace...
    Thread by: Byron Fury, Jul 1, 2021, 5 replies, in forum: Generation 1 Prius Discussion
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