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2006 4.6 liter ford pick up question


blueoval

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check for a vacume leak .. on the back side of the upper intake .there is a vacume fitting that will go bad and suck in ;;;;that hose runs over to the pcv valve ..i have seen many of those go bad ...also make sure your air filter is good and clean the mass air flow sensor .with mass air flow cleaner only .nothing else .....dont touch that sensor .just spray clean it ....also you didnt mention if the code read lean condition....bank one and bank two .....dont know if i hit your problem ..but this isnt unussual.....

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