Question about MAF - FirebirdV6.com/CamaroV6.com Message Board

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  • Question about MAF

    Will taking off the MAF screen cause it to throw p0171 system too lean (bank 1)
    p0174 system too lean (bank 2) code????
    2002 Firebird<br /> <a href=\"http://www.cardomain.com/ride/2106142/1\" target=\"_blank\">http://www.cardomain.com/ride/2106142/1</a>

  • #2
    Re: Question about MAF

    anyone?
    2002 Firebird<br /> <a href=\"http://www.cardomain.com/ride/2106142/1\" target=\"_blank\">http://www.cardomain.com/ride/2106142/1</a>

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    • #3
      Re: Question about MAF

      I don't think it would, long as the screen is before the sensor and not after. Can't imagine why it would be after.

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      • #4
        Re: Question about MAF

        yea the screen was before. And I drove it with no problem for a month or so. I didn't think it would make a difference but Now I have two codes telling me I'm running to lean.... I'm starting to wonder if it may be a bad PCV valve...
        2002 Firebird<br /> <a href=\"http://www.cardomain.com/ride/2106142/1\" target=\"_blank\">http://www.cardomain.com/ride/2106142/1</a>

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        • #5
          Re: Question about MAF

          Removing the MAF screen will cause the AFR to go wacky. So your answer is yes it can cause those codes.
          sigpic

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          • #6
            Re: Question about MAF

            a bad PCV valve wont cause the engine to run lean.. it will cause oil consumption though

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            • #7
              Re: Question about MAF

              Ok thanks all I think I need to get the screen back in there.
              2002 Firebird<br /> <a href=\"http://www.cardomain.com/ride/2106142/1\" target=\"_blank\">http://www.cardomain.com/ride/2106142/1</a>

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