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This is a discussion on P0138 within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Scenario Car drove fine all day in the morning and at night. Parked my car to go in the office ...

  1. #1
    Registered User Andy21785's Avatar
    Join Date
    Sep 2010
    East Brunswick


    Car drove fine all day in the morning and at night. Parked my car to go in the office and came out to start the car. It started pouring like crazy! A minute later my CEL came on, traction control light turned on and my cruise was flashing. Plugged in my ap and pulled the code p0138. Forgot to mention I have a 2011 wrx. From what I've read, it a bad rear 02 sensor. Anybody have any experience with this? I would take it back to the dealership but my car has a cbe, intake, and a stage 1 map. Don't know if it'll be under "warranty". Anybody with any solutions or have experienced this before?

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  3. #2
    Super Moderator (Actually a SuperSpy) SD_GR's Avatar
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    Jul 2002
    CA, US
    I Support ClubWRX
    Read your manual and see what the limitations are for the emissions warranty. In my state and emissions component is covered longer than any other part of the car and that coverage is not dependent on parts used elsewhere on the vehicle.
    The world breaks everyone and afterward many are strong in the broken places. But those that will not break it kills. It kills the very good and the very gentle and the very brave impartially. If you are none of these you can be sure it will kill you too but there will be no special hurry. Ernest Hemingway, A Farewell to Arms, 1929
    WRX Info Links, Courtesy TheJ
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

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