Cub Cadet MTD P71 Series - Manual (Page 48)

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.