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trouble code 171

Discussion in 'Chevy Colorado Forum (GMC Canyon)' started by snascar29, Nov 21, 2009.

  1. snascar29

    snascar29 New Member

    new member here,getting code 171, lean condition on my 06, 3.5lt. Z71 any hints??
  2. snascar29

    snascar29 New Member

    problem code po171

    :party: found problem, faulty crank case tube

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