chipped ecu issue

[jrem1]

when i plug in my chpped ecu ill drive the car down the road then it like dies i plug in my stock ecu nd the car drives fine any ideas its a new chipped ecu from a member on here

[93supercoupe]

"it like dies" is not very helpful

[jrem1]

thts wat it does lol jus shuts off

[ej1 sleeper]

Have him check the map. Or redownload the map onto the ECU.