Ford 6.0 Power Stroke FICM Diagnostics The 6.0 Power Stroke FICM is often mis-diagnosed and needlessly replaced. Calibration concerns, powertrain component faults and FICM malfunctions may produce similar drivability concerns. NOTE: The most common symptoms of a failed FICM are: NO START or CONSTANT MISFIRE AT ALL ENGINE TEMPERATURES. Symptoms other than these are not … [Read more...] about 6.0 Power Stroke FICM Super Easy Direct Ways to Diagnose