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Thread: P0171 again

  1. #1
    Junior Member
    Join Date
    Jun 2017
    Name
    Devin Godard
    Location
    Ontario
    Posts
    3

    P0171 again

    Hi everyone new to the forum, just picked up an 06 5.4L f150. did a couple searches here and online. Nothing seems to match my issue.

    I'm getting a p0171 (bank 1 lean), checked every vacuum line I can find, and sprayed carb cleaner all over the place no change. Cleaned the maf and throttle body.

    I have a video of wats happening (no idea how to post it). It only once it's warmed up does the idle get ****ty. By the odd thing is it gets worse if you try to hold 1000rpmish. But like seen in the video of u give it a kick it'll return to just a rough idle!

    Any help would be great!!


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    Last edited by devin_godard; 06-30-2017 at 09:44 AM.

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