CEL P1071 system to lean bank 1

Discussion in 'Modifications & DIY how-to' started by oucatch21, Apr 28, 2007.

  1. oucatch21

    oucatch21 Member

    Thata what I have wondering what and where could be the answer to fixing this little guy
     
    oucatch21, Apr 28, 2007
    #1
  2. GTscoob

    GTscoob Black is Beautiful

    What CAI are you running? I used to get this one before I got ecutek. Its normally caused by a CAI that flows more than stock without EM.
     
    GTscoob, Apr 28, 2007
    #2
  3. oucatch21

    oucatch21 Member

    im running injen. but i have APv2 running stage 2 as well(there hasnt been any changes to my car in about 6 months)
     
    oucatch21, Apr 28, 2007
    #3
  4. WJM

    WJM Banned

    bring it to SOG...we'll fix it right up.
     
    WJM, Apr 28, 2007
    #4
  5. Kokopelli

    Kokopelli Active Member

    intake leak or bad maf would be my guess
     
    Kokopelli, Apr 28, 2007
    #5
  6. AWD_Tiger

    AWD_Tiger Member

    Are you sure its not P0171, because i had that CEL last year... it turned out to be my thermostat. My engine was running at about 180 degrees instead of ~200. I had a subaru dealership here in sc fix it.
     
    AWD_Tiger, Apr 28, 2007
    #6
  7. GTscoob

    GTscoob Black is Beautiful

    Normally thats a good thing. I wonder if the lower rated thermostats like Crucial Racing's cause CELs after time?
     
    GTscoob, Apr 28, 2007
    #7

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