Ford P0674 OBD-II Trouble Code Definition: P0674 Chrysler Cylinder 4 Glow Plug Circuit Fault P0674 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0674 Cylinder 4 Glow Plug Circuit What does the code mean? OBD-ii Code P0674 definition: The Engine Control Module (ECM) has detected a fault in the cylinder #4 glow plug circuit Symptoms Sumptoms of […]