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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
My 2002 Explorer 4.0L check engine light (CEL) came on and the code was P0303 & P0316. P0303 was for misfire on 3 cylinder & P0316 was for misfire within the 1st 1000 revolutions. Changed the spark plugs, wires, coil and #3 fuel injector. Also smoke check for leaks. No leaks. Vehicle still runs...
