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Re: Why more Ford set P0171's than GM
Posted to Technical Theory Forum on 12/10/2007 5 Replies

Hi Rob,

If you look up US Patent 6636796 (by Ford) on the web, it speaks to the fuel control intake air charge modeling issues inherent in MAF and MAP systems, and a way to combine the two for surperior fuel control.

The MAF is indeed mass flow sensing dev... Login to read more.

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