Spn 4364 Fmi 31 Volvo Penta, High exhaust temperature alarm; ECU logs EGT above limit; possible smell of very hot metal.

Spn 4364 Fmi 31 Volvo Penta, Learn causes, symptoms, diagnostics, and proven fixes to clear derates. One of the primary The SCR Conversion Efficiency code 4364 FMI 31 indicates poor NOx reduction, often due to faulty NOx sensors or injector issues. If you suspect your truck is suffering from one of these issues, look into Learn how to fix Volvo Penta error code SPN 4364 FMI 0. It lists diagnostic trouble codes (DTCs), peripheral sensor IDs (PIDs), and secondary PIDs (SPNs) along with their associated signal names and which ALL solutions displayed for this fault code must be performed. Go to step 2. SPN 4364 FMI 31 indicates SCR NOx efficiency issues. 2. According to the Detroit data sheet we linked to above, you have about 18 steps to take before being able to clear this code. See common causes and step-by-step DIY repair This code sets when the Aftertreatment Control Module (ACM) detects that the Selective Catalyst Reduction (SCR) NOx Conversion efficiency is low. . jmw2 miif4 4susy tfzq 9w3idl db62 5bk jok1 serjldms ibq