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Re: 1998 Ford Ranger P0171
Posted to Technical Discussion Forum on 11/21/2012

No,, I found the vacuum leak by moving the throttle around with the vehicle in the bay. The data I put up shows the trim shift, although its not as noticable as when the data is taken at idle only. Here is the information I am refering to. [1998 Ford Ranger XL... Login to read more.

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