Running rough

My 1997 Dodge 1500 pick up truck 318 motor when it's in drive it runs rough but in neutral or park it revs up fine gave it a tuneup still running rough could be
if your issueand I do not have a stater valve to check fuel pressure on this motor could the regulator be bad or if you have the answers please let me know thank you Tim
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.