Kohler Command CV17 - Section 5 B Electronic Fuel Injection (EFI) Fuel System

5B.1
Section 5B
EFI Fuel System
5B
Section 5B
Electronic Fuel Injection (EFI)
Fuel System
Contents Page(s)
Description
Initial Starting/Priming Procedure .........................................................................................................................5B.2
Fuel Recommendations................................................................................................................................... 5B.2-5B.3
EFI Fuel System Components .................................................................................................................................5B.3
Operation ...................................................................................................................................................................5B.3
Important Service Notes ..........................................................................................................................................5B.4
Electrical Components
Electronic Control Unit (ECU) ....................................................................................................................... 5B.4-5B.5
Engine Speed Sensor ....................................................................................................................................... 5B.5-5B.6
Throttle Position Sensor (TPS) and Initialization Procedures ................................................................... 5B.6-5B.9
Engine (Oil) Temperature Sensor ................................................................................................................ 5B.9-5B.10
Oxygen Sensor.............................................................................................................................................. 5B.10-5B.12
Electrical Relay ............................................................................................................................................. 5B.12-5B.13
Fuel Injectors ................................................................................................................................................ 5B.13-5B.16
Ignition System .......................................................................................................................................................5B.17
Spark Plugs ..............................................................................................................................................................5B.18
Wiring Harness .......................................................................................................................................................5B.18
Battery Charging System .......................................................................................................................................5B.18
Fuel Components
Fuel Pump ..................................................................................................................................................... 5B.18-5B.19
Fuel Pressure Regulator .............................................................................................................................. 5B.19-5B.21
Fuel Filter .................................................................................................................................................................5B.21
Fuel Rail ...................................................................................................................................................................5B.21
Fuel Line........................................................................................................................................................ 5B.21-5B.22
Throttle Body/Intake Manifold Assembly ..........................................................................................................5B.22
Idle Speed Adjustment (RPM) ................................................................................................................... 5B.22-5B.23
Initial Governor Adjustment ...................................................................................................................... 5B.23-5B.25
Troubleshooting
Troubleshooting Guide ..........................................................................................................................................5B.25
Electrical System .......................................................................................................................................... 5B.25-5B.29
Fuel System ..............................................................................................................................................................5B.30
Fault Codes ...................................................................................................................................................5B.30-5B.38
Troubleshooting Flow Chart ...................................................................................................................... 5B.38-5B.39
Flow Chart Diagnostic Aids ....................................................................................................................... 5B.40-5B.41
EFI Service Tools ............................................................................................................................... Refer to Section 2