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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 12-05-2007
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check engine light!

So i rolled over 100k on my 2001 ranger 4x4 edge, and a light comes on the code is po171 and po174 running to lean, has anyone else had this happen? Where should i start? Thanks everyone hope everyone had a good thanksgiving!!
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Old 12-05-2007
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its the 4.0 engine by the way.
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Old 12-05-2007
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You can get some ideas from this thread: https://www.ranger-forums.com/forum2...ad.php?t=31390
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