Engine Stalls At Low Rpm - Perkins 1106D Troubleshooting Manual

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Troubleshooting Section
Use the electronic service tool to check the setup of
the throttle.
Throttle Switch
If a fault with the throttle switch is suspected, refer to
Troubleshooting, "Throttle Switch Circuit - Test".
Throttle Position Sensor
Refer to Troubleshooting, "Analog Throttle Position
Sensor Circuit - Test" or Troubleshooting, "Digital
Throttle Position Sensor Circuit - Test" if any of the
following diagnostic codes are active:
•
0041-03 8 Volt DC Supply short to +batt
•
0041-04 8 Volt DC Supply short to ground
•
0091-08 Throttle Position signal abnormal
•
0774-08 Sec Throttle Position Sensor signal
abnormal

Engine Stalls at Low RPM

Probable Causes
•
Diagnostic codes
•
Accessory equipment
•
Power mode control (if equipped)
•
Fuel supply
•
Electronic unit injectors
Recommended Actions
Diagnostic Codes
Check for active diagnostic codes on the electronic
service tool. Troubleshoot any active codes before
continuing with this procedure.
Accessory Equipment
Check all accessory equipment for problems that
may create excessive load on the engine. Repair
any damaged components or replace any damaged
components.
If there are no faults with the accessory equipment,
refer to "Power Mode Control (If Equipped)".
Power Mode Control (If Equipped)
1. Check the data link. Refer to Troubleshooting, "
Data Link Circuit - Test".
2. Check the engine wiring harness for defects.
Refer to Troubleshooting, "Electricial Connectors
- Inspect".
3. If there are no apparent faults, refer to "Fuel
Supply".
Fuel Supply
1. Visually check the fuel tank for fuel. The fuel
gauge may be faulty.
2. Ensure that the fuel supply valve (if equipped) is
in the full OPEN position.
3. If the temperature is below 0 °C (32 °F), check
for solidified fuel (wax).
i02414531
4. Check the primary filter/water separator for water
in the fuel.
5. Check for fuel supply lines that are restricted.
6. Check that the low pressure fuel lines are tight
and secured properly.
7. Check the fuel filters.
8. Check the diesel fuel for contamination. Refer to
Testing and Adjusting, "Fuel Quality - Test".
9. Check for air in the fuel system. Refer to Testing
and Adjusting, "Air in Fuel - Test".
10. Ensure that the fuel system has been primed.
Refer to Testing and Adjusting, "Fuel System -
Prime".
11. Check the fuel pressure. Refer to Testing and
Adjusting, "Fuel System Pressure - Test".
12. If necessary, repair any faults.
13. If there are no apparent faults, refer to "Electronic
Unit Injectors".
Electronic Unit Injectors
1. Replace the electronic unit injectors. Refer to
Disassembly and Assembly, "Electronic Unit
Injectors - Remove" and Disassembly and
Assembly, "Electronic Unit Injectors - Install".
SENR9982