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P0171 code after valve cover gasket replacement

Discussion in 'Technical Chat' started by Teke, Mar 9, 2018.

  1. Mar 9, 2018 at 9:43 PM
    #1
    Teke

    #1
    Teke [OP] Soft-Roader :)

    Joined:
    Dec 15, 2016
    Member:
    #204960
    Messages:
    1,301
    Gender:
    Male
    First Name:
    Colin
    Indiana
    Vehicle:
    2017 TRD Sport 1996 Tacoma SR5 Sold
    So yesterday I swapped out both valve cover and the gaskets along with the half moon and cam plug seal and the PCV yesterday and immediately noticed a that the idle was rough but no codes popped up until the today. I got a P0171 lean bank 1 code. I cleaned up the MAF to no avail. My intake tube is dry-rotted to I used electrical tape to help seal any holes/tears that it had, which was a lot but I have a new one on the way. I double checked all the vacuum lines and don't see where I missed any. I'm at a lose. Any help out there? Thanks in advance.
     
    Last edited: Mar 9, 2018
    Teke, Mar 9, 2018
    #1

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