What is the process to disable ccr functions in 1991 cadillac?

To disable the Closed Loop Control (CCR) functions in a 1991 Cadillac, you typically need to disconnect the battery and remove the fuse associated with the CCR system. Additionally, you may need to adjust or remove the sensors that monitor emissions. It’s crucial to consult the vehicle’s service manual for specific details, as procedures can vary by model and engine type. Always ensure compliance with local regulations regarding emissions systems modifications.