Stihl FS 460 - Engine Speed Drops under Load - Low Power; Look for a Fault in the Fuel Path, Check Engine for Leaks, B

67FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
7.5.3 Engine speed drops
under load
– low power
– Look for a fault in the fuel
path, check engine for
leaks,
b 11.4, b 5.2
– Examine the air filter, replace if
necessary, b 11.1
Troubleshooting completed
Cut-off speed =
12300 rpm?
yes
no
Engine speed drops under load –
low power
– Calibrate control unit, b 7.1