Kohler Command PRO ECV730 User Manual

5.1
Section 5
EFI Fuel System
5
Section 5
Electronic Fuel Injection (EFI)
System
Contents Page(s)
Description
Fuel Pump Module Connector Removal ................................................................................................................. 5.2
Initial Starting/Priming Procedure ........................................................................................................................... 5.2
Fuel Recommendations .............................................................................................................................................. 5.2
EFI Fuel System Components ............................................................................................................................. 5.2-5.3
Operation...................................................................................................................................................................... 5.3
Important Service Notes ...................................................................................................................................... 5.3-5.4
Electrical Components
Electronic Control Unit (ECU) ............................................................................................................................ 5.4-5.5
Wiring Harness ............................................................................................................................................................ 5.5
Electrical System ................................................................................................................................................... 5.5-5.7
Cranksha Position Sensor ........................................................................................................................................ 5.8
Thro le Position Sensor (TPS) and ECU Reset and TPS Learn Procedures ............................................... 5.8-5.10
Engine (Oil) Temperature Sensor ................................................................................................................... 5.10-5.11
Intake Air Temperature Sensor ............................................................................................................................... 5.11
Oxygen Sensor ................................................................................................................................................... 5.12-5.14
Manifold Absolute Pressure (MAP) Sensor .......................................................................................................... 5.15
Fuel Injectors ...................................................................................................................................................... 5.15-5.18
Ignition System .................................................................................................................................................. 5.18-5.19
Spark Plugs ................................................................................................................................................................ 5.19
Ba ery Charging System ......................................................................................................................................... 5.19
Fuel Components
Fuel Pump .......................................................................................................................................................... 5.19-5.21
Fuel Filter ................................................................................................................................................................... 5.21
High Pressure Fuel Line ................................................................................................................................... 5.21-5.22
Purge Port and Vent Hose Assembly ..................................................................................................................... 5.22
Thro le Body/Intake Manifold Assembly ............................................................................................................. 5.22
Idle Speed Adjustment (RPM)......................................................................................................................... 5.22-5.23
Initial Governor Adjustment ...........................................................................................................................5.23-5.24
Troubleshooting
Troubleshooting Guide............................................................................................................................................. 5.25
Fuel System ........................................................................................................................................................ 5.25-5.26
Fault Codes ....................................................................................................................................................... 5.26-5.34
Troubleshooting Flow Chart............................................................................................................................ 5.34-5.35
Flow Chart Diagnostic Aids ............................................................................................................................ 5.36-5.37
EFI Service Tools ................................................................................................................................Refer to Section 2

Kohler Command PRO ECV730 Specifications

General

Brand	Kohler
Model	Command PRO ECV730
Category	Crankshaft
Language	English