Troubleshooting

Recommended Actions ....................................88
Exhaust System Contains Oil ...............................89
Probable Causes .............................................89
F
Fuel Consumption Is Excessive............................90
Probable Causes .............................................90
Recommended Actions ....................................91
Fuel Contains Water............................................94
Recommended Actions ....................................94
Fuel Rail Pressure Problem .................................95
Probable Causes .............................................97
Recommended Actions ....................................98
Fuel Temperature Is High................................... 101
Probable causes............................................101
Recommended Actions .................................. 101
G
General Information ..............................................4
Application Interface ..........................................4
Clean Emissions Module (CEM)..........................4
Electronic Control System ..................................4
Fault Detection and Reporting.............................4
Important Safety Information...............................4
Overview...........................................................4
Troubleshooting.................................................5
Glow Plug Starting Aid - Test .............................. 134
I
Idle Validation - Test .......................................... 140
Important Safety Information ..................................2
Indicator Lamp - Test .........................................146
Injector Code - Calibrate ....................................264
Injector Data Incorrect - Test .............................. 149
Injector Solenoid - Test ...................................... 153
Inlet Air Is Restricted ......................................... 102
Intake Manifold Air Pressure Is High ................... 103
Probable Causes ........................................... 103
Recommended Actions .................................. 104
Intake Manifold Air Pressure Is Low .................... 104
Probable Causes ........................................... 105
Recommended Actions .................................. 105
Intake Manifold Air Temperature Is High.............. 106
Probable Causes ........................................... 106
Recommended Actions .................................. 106
Introduction ..........................................................4
M
Mode Selection - Test ........................................159
Motorized Valve - Test ....................................... 163
N
NRS Mass Flow Rate Problem ........................... 108
Probable Causes ........................................... 108
Recommended Actions .................................. 108
O
Oil Consumption Is Excessive ............................ 109
Probable Causes ........................................... 109
Recommended Actions .................................. 110
Oil Contains Coolant ......................................... 112
Probable Causes ........................................... 112
Recommended Actions .................................. 112
Oil Contains Fuel .............................................. 114
Measuring Fuel Dilution.................................. 115
Probable Causes ........................................... 115
Recommended Actions .................................. 116
Oil Pressure Is Low ........................................... 117
Probable Causes ........................................... 117
Recommended Actions .................................. 118
Oxygen Level - Test........................................... 168
P
Power Is Intermittently Low or Power Cutout Is
Intermittent...................................................... 120
Probable Causes ........................................... 120
Recommended Actions .................................. 120
Power Take-Off - Test ........................................ 174
R
Relay - Test (ECM Main Relay)........................... 185
Relay - Test (Start Relay) ................................... 179
S
Sensor Signal (Analog, Active) - Test .................. 190
Sensor Signal (Analog, Active) - Test (Exhaust
Gas Pressure Sensor) ..................................... 197
Sensor Signal (Analog, Passive) - Test ............... 202
Sensor Supply - Test ......................................... 208
Service............................................................. 255
Service Tool Features........................................ 255
Active Diagnostic Codes................................. 255
Calibrations ................................................... 255
Component Replacement Resets.................... 255
Diagnostic Tests ............................................ 255
Logged Diagnostic Codes............................... 255
Override Parameters...................................... 255
Solenoid Valve - Test ......................................... 212
Speed Control - Test.......................................... 218
Speed/Timing - Test ..........................................224
Switch Circuits - Test (Air Filter Restriction
Switch) ........................................................... 240
Switch Circuits - Test (Engine Oil Pressure
Switch) ........................................................... 231
Switch Circuits - Test (Throttle Switch) ................ 235
Symptom Troubleshooting ...................................31
System Overview ..................................................9
Other ECM Functions for Performance ................9
Programmable Parameters.................................9
System Operation ..............................................9
T
Table of Contents ..................................................3
Troubleshooting Section ........................................4
V
Valve Lash Is Excessive .................................... 122
Probable Causes ........................................... 122
Recommended Actions .................................. 122
Valve Position - Test ..........................................246
UENR0612-07 267
Index Section
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