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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
I'm told by the smog test person that my fuel is burning extremely rich. (co is11.2% instead of < 1%) and he suggests to check the fuel regulator, how would I do that and is it expensive to replace them?
