Check Engine Light: A persistent check engine light could indicate a malfunction within the ECU, PCM, or ECM. Poor Fuel Efficiency: If you notice a sudden drop in fuel efficiency, it may be a sign of a faulty control module. Rough Idling or Stalling: Fluctuations in engine performance, such as rough idling or stalling, could be caused by a failing module. Reliable Solutions at Flagship One, Inc ...

Check Engine Light: A persistent check engine light could indicate a malfunction within the ECU, PCM, or ECM. Poor Fuel Efficiency: If you notice a sudden drop in fuel efficiency, it may be a sign of a faulty control module. Rough Idling or Stalling: Fluctuations in engine performance, such as rough idling or stalling, could be caused by a failing module. Reliable Solutions at Flagship One, Inc ...