spn-656-fmi-7 Mercedes Fault Code :
Read the description of spn-656-fmi-7 in KAMA3-5490 and the engine lights up for KAMA3 5490 Fault Codes code, there are some possible causes for it.
Fault Location
Injector Cylinder 6
Fault Description
Injection Timing, No Plunger
Fault PIN
LSCAN-MR