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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
If you haven't done anything (other than replace the mentioned components) to diagnose this, I would start with a few basic diagnostic steps. 1) Pull codes (there can be codes in the computer even if the CEL isn't on), 2) Check fuel pressure, 3) Check for vacuum leaks.
What kind of Milage does it get. When my Fuel Pressure Regulator was bad, my Ex was getting like 8 miles a gallon and idling rough like you. It was running about 70 pounds fuel pressure.
Does the Check Engine Light come on?
I would also look into your oxygen sensor. However, if your light does come on then it isn't likely the 02 sensor.
I got a 1993 4x4 explorer changed maf and the iac. Just change the plugs and wires about 10000 miles a go. Still idles rough.Any ideals
