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problem p0171

  1. ('03-'05) 2004 - Almost complete lack of power low RPM, good power over 3500 RPM, if I manage to get there?

    EJ20 - 2.0L Turbocharged
    Short story: 2004 EJ205 Forester 2.0 Turbo will now hardly pull at all below 3500RPM, and I am struggling even to increase the RPM when flooring the throttle. I achieve increased RPM eventually by pumping the throttle. See this video: In the beginning of the video I simply press the gas pedal...
  2. ('09-'13) 2011 - P0171 system Too Lean (Bank 1)?

    Problems, Maintenance, and Warranty
    I have this problem simultaneously illuminated Please advise me, help me! Subaru Forester 2011 (US) NOTE: I have an LPG, This is causing the problem?