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Re: 2001 Ford 5.4L Supercharged F150 P0171 Only
Posted to Technical Discussion Forum on 8/29/2007 2 Replies

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Why is it going to rich command? Is the 02 telling it to? What is that 02 doing? If it is a program issue, I would expect the 02 to show rich, even though it is commanding rich. In other words, it wo... Login to read more.

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