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2001 Ford Explorer sport 4.0 auto . When I go to start I turn the key on and let the pump prime and when it quits I can try to start it but it won’t hit, but if I cycle the key on/off 3 or 4 times it will fire up , I’m thinking it’s could be either a bad/weak fuel pump or a bad check valve . I...

I’ve got a pretty good bit of parts rangers with 4.0s varying in different years at a buddy’s junk yard , can anyone tell me what years 4.0 ranger injectors would or might swap in my 2001 explorer 4.0?

I have a 2001 Ford Explorer with the 4.0 I bought not running . Tried to fire it up and it would hit then die but if I unplug the maf sensor it’ll run but kinda rough and will die instantly with the touch of the gas , I have a new sensor ordered and an iac valve ordered is there anything that...