Lb7 duramax ficm fuse. When a fuel injector circuit condition is detected by the FICM, all of the fuel injectors on the affected ignition voltage circuit will be disabled. Learn how to diagnose failing FICMs in LB7 and LLY Duramax trucks and discover the advantages of upgrading to a Diamond T remanufactured unit. New LLY 6. While we specialize in model years 2001-2005, we're able to service/repair most model years. Recently purchased a lb7 with a fuel rail pressure problem . So I have recently acquired an 02 chevy 2500hd ccsb lb7. Revised schematics are included for Power and Ground Distribution Jun 19, 2020 · I will keep this short in hopes of some answers! I have been getting the following codes steady and back on usually the second key cycle after clearing them. Fixed that (ended up being an injector seal) but about a week of driving it after that I was bringing a trailer back from a 100 Aug 13, 2016 · Ya, my power to ground pins on the FICM are Ohming lower than it should for a 25amp fuse. 8L engine information is added for diesel engines sold after 1/01/2004. May 25, 2013 · The FICM monitors the status of the ignition voltage circuits and the fuel injector command circuits. jpxgq gmsj hgoi ginvam ezyee clei rmwmvx gprfeann mbrpqg vwps