2G P0170 another one....

Posted by spyderdrifter, Aug 12, 2017

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  1. spyderdrifter

    spyderdrifter Supporting Member

    3,070
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    Joined Jul 11, 2009
    Colorado Springs, Colorado
    My engine light popped on last night with the P0170 code. I had this code back on my old spyder too, but never found the cause (no boost leaks). I read through this post last night:
    http://www.dsmtuners.com/threads/2g-p0170-code-and-temp-gauge-rising.502109/
    and used my scanner after I got home from work this morning so the car would be warmed up. My short term fuel trim is 5.4, and long term is 12.5. Based on what I read, tbe 12.5 is out of spec. Is this correct? I do suspect there's likely to be a boost leak somewhere since this car sat for so long unused by the previous owner, and the engine needs a good cleaning. ECT was at 206°, IAT was at 66°, O2S11 is at 0.000 and O2S12 is at 0.020.
     

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    My DSM:
    1997 Mitsubishi Eclipse Spyder GST (sold)

    Street Build

    T28   manual
    1996 Mitsubishi Eclipse GSX (sold)

    16g   manual
    1996 Eagle Talon N/T (sold)

      manual
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