runs rough

[dragway]

This my gn i bought over the winter didnt really drive it much do to weather but did some basic rjc plate fuel pump hot wire kit plugs wires down pipe and exhaust. I notice that its has a miss or seems like one only at idle load it up it doesn't skip no codes any ideas thanks 87 gn

 

[turb0buick57]

What chip is in the car? If you have a scanmaster post up the numbers with the car warmed up at idle in park.

 

[dragway]

stock chip and dont have a scanmaster yet. Just order scanmaster today