4.0 will not start.please help

[andy5569]

i have a 1986 ranger with a 91 explorer 4.0 swaped in it ran great for a year. but no it will not start unless i spray starting fluid even then it only runs until the starting fluid is gone. i am getting fuel pressure to the rail. i also have great spark.please help me!!!.thanks for your time.

 

[UrbanRedneckKid]

Are your injectors firing? Put a long screwdriver against them with your ear to the handle. They should be clicking. If not start by checking the ground. Especially the one that goes from the DS head to the wiper motor mount bolt on the firewall. Start there, and post back.