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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
Have cleaned (4 times) MAF and replaced it. Engine still rough with engine light on and P1131 code. Points to 02 sensor. How do I tell which one? Where is it? I found one on left side. Can't find one on right side. I was told that there are 2 above the cat converter and 2 below - right...
