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Thread: Fault code 42

  1. #1
    Mitsu booster
    Join Date
    Dec 2011
    Location
    Wisconsin
    Posts
    37

    Fault code 42

    My spirit started to run funky one day (stumbling idle, wanting to die, hitting some type of boost/fuel cut while driving, breaking up bad). So it ended up being my ASD relay, I tried a few relays until I found one that resolved the symptoms and made it run normal again. Reset the battery, cleared codes and scanned it again. Still has a fault code 42 (ZL1 or ZR1 voltage sensor? or something, I forget what it said exactly), yet its running just fine. 2.5L T2

    Thanks!

  2. #2
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
    Join Date
    Dec 2005
    Location
    Tuscola, IL
    Posts
    21,465

    Re: Fault code 42

    This should help you narrow it down.

    http://www.minimopar.net/fault/code42-SMEC.html

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