Fault Codes/Power Solutions International, Inc./8916Power Solutions International, Inc.8916UnclassifiedGeneralWhat This Code MeansMIL ON during active fault; Closed Loop DisabledPossible Causes•Cracked sensor•ECM failure•Engine related problem•Fuel system related problem•Poor harness•Sensor has not warmed up correctly•Sensor heater failure•UEGO sense cell impedance is too highSuggested Actions1Check harness (post-control box, sensor side) for poor connections2Perform OBD system check3Replace sensor with known good unit and re-test4Verify the operation of the MILRelated Power Solutions International, Inc. Fault Codes8920520240:38914DTC - 3598910DTC - 5208904DTC 2 348902DTC 15 748901DTC 89 20Browse all Power Solutions International, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 8916 on your specific Power Solutions International, Inc. unit — cited to the OEM manual, not a forum guess.Your question about 8916GET THE ANSWERFree account required — we'll bring your question with you.