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PO171 and PO174 both throwing check engine light on 96 ranger 4.0
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10-18-2011, 06:52 PM
98rangerxlt
Ford Tough
Join Date: Feb 2010
Posts: 303
Re: PO171 and PO174 both throwing check engine light on 96 ranger 4.0
You have a vacuum leak somewhere the upper intake gasket are known to go bad on the 4.0's
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98 ford ranger xlt ex cab 4.0 v6 auto trans
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