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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
Hey everyone. Id like to start off by say thank you for reading. Im throwing codes PO171 & PO174 "left and right bank lean" I sprayed around intake,pcv,and all vacuum lines with brake cleaner. So far the engine will not rev higher. I dont have a smoke machine so should I try engine starter...