Identifying Duramax Bad ECM Symptoms: A Comprehensive Guide

Duramax bad ECM symptoms refer to the specific signals and indications that a Duramax ECM (engine control module) is malfunctioning or has failed. Duramax ECMs are responsible for controlling the engine’s performance and operation by monitoring, controlling, and coordinating the air/fuel mixture, ignition timing, and exhaust gas recirculation. Poor engine performance, decreased fuel efficiency, and…