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What can cause code #'s P0171 and P0174 on a 1999 Ford Windstar 3.8L?

Vehicle: 1999 Ford Windstar 3.8L

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More than likley the problem is an intake leak.

Please see "Tech Notes" on the code page for more inforamtion on how to fix the problem.

Read more: https://www.autocodes.com/p0171_1999_ford_windstar.html

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