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new o2 sensors

  1. Problems & DIY Maintenance
    Hey guys. I had a shop replace 02 sensors on my 05 outback XT, as well as a radiator hose with a slow leak. Now after a couple weeks of driving, Im getting an a P171 error code. I checked all my intake connections, look good. I didn't get carburetor spray yet to test idling. Im wondering if the...
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