Why do your 1989 Buick Electra cut off when put in reverice?

Your 1989 Buick Electra may cut off when put in reverse due to several potential issues, such as a faulty neutral safety switch, which can cause stalling when the vehicle is shifted. Additionally, problems with the idle air control valve or a vacuum leak could affect engine performance at lower RPMs. It could also be related to transmission issues or a failing engine component that is exacerbated by the load of reversing. A thorough diagnostic check is recommended to pinpoint the exact cause.