CUMMINS N14 - Fuel Consumption - Excessive (Continued)

Fuel Consumption - Excessive (Continued)
Cause Corrections
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• Electronic Fault Codes Active*
• High Counts of Inactive Fault Codes*
• ECM Calibration Incorrect**
• Programmable Parameters Incorrect**
OK
f
Refer to fault code index in the N14
CELECT™ System Troubleshooting and
Repair Manual, Bulletin No. 3810469.
Compare fuel calibration data stored in ECM
with engine rating. Compulink™ required.
----------
Speedometer Malfunctioning or Road
Speed Excessive
OK
f
Repair or calibrate speedometer. Refer
to manufacturer’s instructions.
----------
Hubometer, Odometer, or Hourmeter
Miscalibrated
OK
f
Repair or calibrate hubometer, odometer,
or hourmeter. Calculate fuel consumption
with readjusted mileage/hour figures.
----------
Road Speed Governor Calibration
Incorrect (VS, RSG Only)
OK
f
Check road speed governor calibration.
Refer to PT PACER Compulink™ Cartridge
Manual, Bulletin No. 3810443.
----------
Fuel or Air Delivery Problem
Operate engine and conduct a performance
test appropriate to the application.
Automotive - Refer to Section 8.
Marine - Sea Trial
Genset - Full Load
Industrial - Stall Speed Check Procedure
5-24
- Haul Road Trial
Refer to Performance Measurement Section
to evaluate engine performance.
* CELECT™ and PT PACER engines only
** CELECT™ engines only
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-76