Toro Pro Force 44552, Service Manual

Page: 35 / 134

Starting Problems (continued)
Problem Possible Cause Corrective Action
The fuel tank is empty Fill the fuel tank
The engine and/or fuel is too cold Use the choke to start the engine
Move the machine to a heated
environment prior to starting
The fuel filter is plugged Replace the fuel filter
The fuel pump is damaged Test the pulse fuel pump and
repair/replace it if necessary; refer
to the Kohler Command Pro CH740
Service Manual for pulse fuel pump
information
Fuse F–2 (7.5 A) is damaged Test the fuse and replace it if necessary;
refer to Fuses in Chapter 5 – Electrical
System
The Governor Control Unit (GCU) has
lost power Clean, secure or repair/replace the
circuit wiring; Refer to the Electrical
Schematics in Appendix A
The fuel/carburetor solenoid or its
circuit wiring is damaged Test the carburetor solenoid and
replace it if necessary; refer to the
Kohler Command Pro CH740 Service
Manual for fuel shut-off solenoid
information
Clean, secure or repair/replace the
circuit wiring; Refer to the Electrical
Schematics in Appendix A
The engine cranks, but does not start
The engine is malfunctioning Troubleshoot the engine; refer to the
Kohler Command Pro CH740 Service
Manual
Pro Force® Debris Blower Page 3–7 Troubleshooting: Starting Problems
18237SL Rev A