What is code 27 for the 1989 ninety-eight Oldsmobile?

Code 27 for the 1989 Oldsmobile Ninety-Eight refers to a diagnostic trouble code related to the engine control module (ECM). Specifically, it indicates a problem with the vehicle's fuel system, often pointing to issues such as a faulty fuel injector or problems with the fuel pressure. It's important to diagnose further to determine the exact issue and ensure proper vehicle performance.