AOS install and now rough idle, check engine light, low rpm

Discussion in 'Subaru Impreza' started by Darthwrx11, Dec 13, 2019.

  1. Darthwrx11

    Darthwrx11

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    I installed the Crawford V3 AOS on my 2011 wrx premium and my car had a rough idle and almost stalled whenever I’d slow down or make a stop unless I put in neutral. I figured it was my intercooler hose since the outer rim was messed up. I bought a Perrin intercooler hose and installed it. Same problem. Found a cracked motor and pump assembly hose, bought a new one and installed it. Same problem. Checked for vacuum leaks and I can’t find anything. I have the code P0171 and all the misfire codes. I’m at a loss and need help.
     
    Darthwrx11, Dec 13, 2019
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