Loading up at idle?

[bpman1234]

So working on this 84 for friend car starts up fine sitting there idling after a few minutes or so starts loading up running rich anybody have any ideas I'm thinking injectors car has been sitting

 

[SHADOWII]

Have you checked for any codes? Fuel pressure? Fuel regulator return line blocked? MAF good?

 

[bpman1234]

Not yet just want see if any one had these issues and troubleshoot it find out what was wrong