Chapter 7: Troubleshooting - Toro MB TX 2500 Operator's Manual

The engine loses power.
The engine load is excessive.
The air cleaner is dirty.
The oil level in the crankcase is low.
The cooling fins and air passages under the
engine blower housing are plugged.
A spark plug is pitted, fouled, or the gap is
incorrect.
The vent hole in the fuel cap is plugged.
Dirt is in the fuel filter.
Dirt, water, or stale fuel is in the fuel system. Contact an Authorized Service Dealer.
The engine does not start, starts hard, or fails to keep
running.
The fuel tank is empty or the shutoff valve is
closed.
A spark-plug wire is loose or disconnected.
A spark plug is pitted, fouled, or the gap is
incorrect.
The air cleaner is dirty.
Dirt is in the fuel filter.
Dirt, water, or stale fuel is in the fuel system. Contact an Authorized Service Dealer.
Troubleshooting
Possible Cause
Possible Cause
Troubleshooting
Reduce the ground speed.
Service the air-cleaner element.
Add oil to the crankcase.
Remove the obstruction from the cooling
fins and air passages.
Install a new, correctly gapped spark plug.
Clean or replace the fuel cap.
Replace the fuel filter.
Fill the fuel tank with fuel and open the
valve
Install the wire on spark plug.
Install a new, correctly gapped spark plug.
Service the air-cleaner element.
Replace the fuel filter.
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Chapter 7
Corrective Action
Corrective Action
3451-705A