My Explorer runs fine most mornings after sitting all night . Sometimes after driving it 30 maybe 100 miles It will lose Horse power Like you taken your foot off the gas. It continues to run smoothly. I've Changed the fuel filter, plugs, wires, Fuel pump, air filter, removed catalytic convertor, (reinstalled it didn't help)All kinds of Injector cleaners, its an obd1 and comes up with sometimes high or low O2 readings Changed sensors didn't help. Sometimes it will run fine many days in a row .Acts like something on vacuum side because heater box makes noise to tell you its coming. Any help appreciated. Thanks Don
Jun 20, 2015 at 6:20 AM