Ford Vans and Mini Vans | Ford Aerostar | Ford Freestar | Ford Galaxy | Ford WindstarForum for discussion of all Ford Vans and Ford Mini Vans such as the Ford Aerostar and Ford Freestar.
OBD-II Trouble Code: P0174 System Too Lean (Bank 2) Try cleaning the MAF with MAF cleaner. If P0171 comes up too, there's a vacuum leak somewhere. They were known to ahve intake gaskets and bolts leaking. Also the PCV area of the valve cover. Post back what you find.
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