spn-3361-fmi-4 Mercedes Fault Code :
Read the description of spn-3361-fmi-4 in KAMA3-5490 and the engine lights up for KAMA3 5490 Fault Codes code, there are some possible causes for it.
Fault Location
Prop. Valve 7, Reductant Injector (Bank 1 Unit 1)
Fault Description
Circuit Low
Fault PIN
LSCAN-MR