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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 just had my 1993 ford explorer tested for emissions and it barely failed. The lady there at the emissions place said it was probably due to the o2 sensor needing replacement. Does anyone know where these are located or how to replace them?