NHTSA Complaint #11527159 — 2015 RAM 1500

catastrophic engine failure due to the failed high pressure fuel pump, last year march 2022 my truck started stalling then lost all power to the engine the truck would not start . i took the truck to my mechanic where he Found no crank signal while engine cranking and sounded to be out of time. he Tested fuel flow from lift pump and found it to be correct. Tested injector weep line return flow and found no return this is normal ,Tested fuel flow regulator at high pressure pump and also found no return while cranking this is normal. These test indicated that the high pressure pump has fail. Installed new high pressure pump and still no pressure. Removed pump and noticed it had not rotated from its timed installed location. This indicated that the drive gear is not rotating the pump and there is internal damage to engine. this damage happened due to the filed fuel pump.