1995 ford explorer running problem no codes

[ghia1641]

I have a 1995 Ford explorer have an issue but no codes when scan
Intermittent sometimes runs good when I talking off drive o sometime 4. Blocks and sometimes it takes it two or three days I have changed tps new n en w alternator fell like it looses power start bucking coughing just does not want to go can anyone give me an idea I am ra c king my brain tnks all

 

[Turdle]

Check that the fuel pump relay is making good connection in the power distribution panel. Look at the connectors in the panel for heat damage.

There should be another relay just like the fuel pump relay. swap them out, see if this helps.