Owner's manual

P71 Series Vertical Shaft Engines
42
Troubleshooting the EVAP system
Symptom Cause
Fuel leaking from the
carburetor throat or
vents
A blockage in the charcoal
canister or between the
canister and the tank.
Engine runs rich A blockage in the line
between the char-
coal canister and the
carburetor insulator
plate.
Engine runs lean Wrong fuel cap
installed.
Leak in the vacuum
lines.
Raw gasoline in the
charcoal canister
(plugged vent).
Gasoline vapor
escaping from the
engine
The charcoal canis-
ter is saturated.
A blockage in the
line between the
charcoal canister
and the carburetor
insulator plate.
Wrong fuel cap
installed.
Leak in the vacuum
lines.