2003 F150 XLT 5.4 Code Help
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2003 F150 XLT 5.4 Code Help
I have code p0171 and p0174 and they are for it running too lean. I heard that it could be the pvc hose. I replaced the pcv valve and added Lucas fuel injector cleaner. Nothing has fixed it so far. What is the most common fix?
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big brown turd
Ford F-250 & Ford F-350
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08-30-2015 09:26 PM