It will start if you keep the RPMs at 1500-2000, once it warms up (5 mins to 25 mins) it seems to idle and run pretty good.
You have a bad idle air control valve. its job is to have motor rpm high until the motor warms up then turn it back to normal.
SOURCE: 98 Ford Explorer erratic cold idle
98 ford explorer erratic idle from cold reves jump. ok when warm but still stalls at times.
SOURCE: 2000 Ford Explorerer rough idle When cold
what codes are present? If it is lean codes P0171/P0174 problem is most likely the orings leaking between upper and lower intake manifold if this is a 4.0L
SOURCE: 98 ford escortLX starts and runs for about 1 min and then stalls
check fuel pressure regulator.+ vacuum lines going to it look see if gas in vacuum line.if so regulator rupture.
SOURCE: New plugs, new fuel filter,
you have a vacume leak explains all symptoms runs leaner better gas milage listen for hiss look for cracked or broken vac lines
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