Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationEvaporative emission control system
diagram (only for e-33)
Fuel tank
Fuel-vapor separator
Fuel pump
Fuel feed hose
Fuel shut-off valve
Iap sensor
Surge hose
Evap canister
Purge hose
Evap system purge control solenoid valve
Fue
Hc vapor
Fresh air
Vacuum
...
Oil pressure switch inspection
Inspect the oil pressure switch in the following
procedures:
Note
before inspecting the oil pressure switch, check if the engine oil level
is correct. Refer to “engine oil and filter replacement” in section 0b .
Remove the left side cowling. Refer to “exterior parts removal ...
Crankcase breather (pcv) hose / reed
valve / cover removal and installation
Removal
Lift and support the fuel tank with the prop stay.
Refer to “fuel tank removal and installation” in section 1g .
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the crankcase breather (pcv) hose (1).
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