87 cadillac high idle

[quote:939139cf05="salladung"]87 Cadillac idle high when started and will only decrease if brake pedal is pressed. ISC extracts out causing high idle but will not retract. Getting error code 27.[/quote:939139cf05]

whats the motor? 4.5 or 4.1

[quote:b3158967c7="Buzzsaw"][quote:b3158967c7="salladung"]87 Cadillac idle high when started and will only decrease if brake pedal is pressed. ISC extracts out causing high idle but will not retract. Getting error code 27.[/quote:b3158967c7]

whats the motor? 4.5 or 4.1[/quote:b3158967c7]

4.1. Did find one or the leads broken in connector, but also need to know how to test ISC throw program would also be appreciated