The vehicle went into limp mode with the glow plug coil light flashing. The customer reported a hard fault code P0090 that could not be cleared.

Initially, the vehicle presented with a slight misfire but was still running. The customer drove it until it stopped completely and was towed in. Multiple fuel system faults were investigated, leading to repairs on the high-pressure fuel pump and an injector. While the vehicle was able to start and drive again, it remained in limp mode with a persistent P0090 fault code, indicating an ongoing issue in the fuel metering circuit.