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system to lean

  1. P0171 Check Engine light on "HELP"

    The Q&A Forum
    I'm trying to search for threads about this w/o any solid answers. Recently I've been getting the P0171 System too lean (Bank 1)code on my 08' 5.7L. It just came on again as I was trying to drive the car onto ramps today in the garage. Before the light came on, the throttle would cut out just as...