CUMMINS N14 - Turbocharger Boost Pressure Low

Turbocharger Boost Pressure Low
Cause Corrections
----------
Turbocharger Incorrect
OK
f
Check part number versus Control Parts
List (CPL) and replace turbocharger if
necessary. Refer to CPL Manual, Bulletin
No. 3379133.
----------
Intake, CAC, or Exhaust Air Leaks
OK
f
Check for loose or damaged piping connec-
tions and/or missing pipe plugs. Check
turbocharger and exhaust manifold mount-
ing. Refer to Procedure 3-01.
----------
Air Compressor Connection Loose or
Damaged
OK
f
Check connection between manifold and
air compressor. Repair or replace as
necessary.
----------
Intake Air Restriction Excessive
OK
f
Check restriction, refer to Procedure 3-04.
Clean or replace air filter element or
damaged air intake piping.
----------
Exhaust Air Restriction Excessive
OK
f
Check restriction. Refer to Procedure
3-05. Replace damaged piping or parts.
----------
Turbocharger Worn or Damaged
OK
f
Remove intake and exhaust piping from
turbocharger. Check turbocharger. Refer to
Procedure 3-06. Check compressor and
turbine wheel clearance. Refer to Procedure
3-07. To replace, refer to Procedure 3-08.
----------
Charge Air Cooler Plugged
OK
f
Check air to air cooler for internal
plugging. Refer to Procedure 3-11.
----------
Fuel System Malfunctioning
Refer to the Low Power Troubleshooting
Chart.
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-102