VW Jetta MKIV/MK4: P0171 - System too Lean |Volkswagen Bora
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Thread: P0171 - System too Lean

  1. #1
    Senior Member lifelikechild is on a distinguished road lifelikechild's Avatar
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    Default P0171 - System too Lean

    This code came up on my way home from work last night. Haven't noticed any performance deficiencies, except for this morning when I started the car up, and it shut right back off. It then turned on and drove fine. Any ideas what's causing this? O2 sensor? Vacuum leak? Thanks

  2. #2

    Default Re: P0171 - System too Lean

    Check for vac leaks, especially if you stalled on startup.
    Quote Originally Posted by darksidedub View Post
    come on dude really? most states in this country dont require a front plate. some states dont require an inspection sticker. new york just wants our money. i may as well leave the house with my pants down so i can make it a lil easier for this state to f**k me in the a$$.
    Quote Originally Posted by Vixen View Post
    I will fight you.

  3. #3
    Senior Member lifelikechild is on a distinguished road lifelikechild's Avatar
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    Default Re: P0171 - System too Lean

    Thanks boost

  4. #4
    Senior Member lifelikechild is on a distinguished road lifelikechild's Avatar
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    Default Re: P0171 - System too Lean

    ok so my check engine light went off when i put gas in?

  5. #5

    Default Re: P0171 - System too Lean

    Were you just that low on fuel lol?
    Quote Originally Posted by darksidedub View Post
    come on dude really? most states in this country dont require a front plate. some states dont require an inspection sticker. new york just wants our money. i may as well leave the house with my pants down so i can make it a lil easier for this state to f**k me in the a$$.
    Quote Originally Posted by Vixen View Post
    I will fight you.

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