Diagnostic Trouble Component
(DTC)
SPN Code FMI Code
Issue
Closed Loop
4236
0
•
Exhaust leaks upstream or near the HEGO sensor
•
Reduced fuel supply pressure
•
An injector that is stuck closed
•
Reduced fuel supply pressure to the gaseous fuel control system
•
A fuel supply or manifold leak
•
A non-responsive HEGO sensor
1
•
High fuel supply pressure to the fuel injection system
•
A non-responsive HEGO sensor
•
An injector that is stuck open
•
High fuel supply pressure to the gaseous fuel control or faulty pressure
regulator
•
A non-responsive HEGO sensor
Catalyst Monitor
3050
11
•
Physically Damaged Catalyst
•
Contaminated Catalyst Element
•
Post Signal Circuit Shorted to Pre-signal
EGO Sensors
3217
5
•
Open feed circuit to O2 heater
•
Open or shorted to ground O2 signal wire
•
Open sensor ground (5Vrtn1)
•
Inoperative sensor
3227
Injectors
651
5
•
Loss of 12 V feed to injector
•
Open injector coil
•
Open or shorted to ground injector driver circuit in engine harness
6
•
Injector coil shorted internally
•
Injector driver circuit shorted to voltage between injector and ECM
652
5
•
Loss of 12 V feed to injector
•
Open injector coil
•
Open or shorted to ground injector driver circuit in engine harness
6
•
Injector coil shorted internally
•
Injector driver circuit shorted to voltage between injector and ECM
653
5
•
Loss of 12 V feed to injector
•
Open injector coil
•
Open or shorted to ground injector driver circuit in engine harness
6
•
Injector coil shorted internally
•
Injector driver circuit shorted to voltage between injector and ECM
654
5
•
Loss of 12 V feed to injector
•
Open injector coil
•
Open or shorted to ground injector driver circuit in engine harness
6
•
Injector coil shorted internally
•
Injector driver circuit shorted to voltage between injector and ECM
Fault Codes
SECTION 3
SERVICE
069598
Page 46
Summary of Contents for MSP465
Page 6: ...069598 Page 6 GENERAL INFORMATION CE Declaration ...
Page 13: ...069598 Page 13 GENERAL INFORMATION Engine Specifications Dimensions mm in ...
Page 15: ...SECTION 1 SAFETY SECTION 1 SAFETY 069598 Page 15 ...
Page 28: ...SECTION 2 OPERATION SECTION 2 OPERATIONS 069598 Page 28 ...
Page 39: ...SECTION 3 SERVICE 069598 Page 39 SECTION 3 SERVICE ...
Page 50: ...SECTION 4 ACCESSORIES SECTION 4 ACCESSORIES 069598 Page 50 ...