Engine Speed Drops Under Load – Low Power - Stihl FS 460 C Technical Information

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9.1.3 Engine speed drops under load –
low power
Troubleshooting completed
Engine speed drops under load – low
Check air filter, replace if necessary
Remove cutting attachment, all
mounting hardware and thrust plate.
Let the machine run three to four
times for approx. 30 s in the cut-off
range
yes
Cut-off speed =
12300 rpm?
power
Look for a fault in the fuel path,
Technical Information 40.2010
no
check engine for leaks
TI_40_2010_13_01_02.fm