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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 did check the fuel regulator and no gas on the vacuum side I think it might be the TPS I wasn't getting any resistance when I put the meter on it and if I unplug it when it is running it doesn't make any difference.
Okay i was going to give a little more info since my last post.
I was given this 91 and it had the O2 sensor problem so i replace the O2 sensor and it ran fine for a week and now it is doing the same thing again I have checked the sensor like the Chilton's manual describes and it checks okay...
I have a 91 Explorer and I just replaced the O2 sensors because it would hesitate when you gave it gas after it had warmed up and it ran fine for a week and now it is doing the same thing again and the codes come up with a HEGO switching right error What does that mean? and is there something I...
