Webpage 267 ddec vi series 60 troubleshooting guide [c] if spn 704/4 and other codes are logged, review this section to find the error. If no error is found, call the. This document will guide the user through correctly diagnosing fuel injector circuit faults on 2010 maxxforce dt, 9, 10 and 2014 n9, n10 engines. Websep 17, 2021 · spn 3663 fmi 5 code. 8. 5k views 2 years ago. Ain't nothing cheap for truck drivers lol. more. Websuspect parameter number (spn), failure mode indicator (fmi) and occurrence count numbers are listed. Source addresses and dtc descriptions are presented in plain text. Injector cylinder #5 amplifier control valve abnormal operation (open). Injector cylinder #5 amplifier control valve. Injector cylinder #5 amplifier control valve abnormal operation (open). Injector cylinder #5 amplifier control valve. Webi turned on the ignition with the injector harness on side of valve cover to see if it would change the fault code and to see what other faults it would trigger and it did not change. Spn 3663 fmi 5 (mcm) injector cylinder #5 amplifier control valve abnormal operation (open)