Perkins 1204-E44TA - Intake Manifold Air Pressure Is High; Recommended Actions

Table 104
Troubleshooting Test Steps
Values Results
1. Check the Air Filter Element
A. Check the air intake system for plugged air filters or for dam-
aged air filters. If the engine is equipped with an air intake pre-
cleaner, verify the proper operation of the air intake precleaner.
Plugged air filter Result: The air filter is clogged.
Repair: Clean or replace the air filter. Verify that the
problem is resolved.
Result: The air filter is not clogged.
Proceed to Test Step 2.
2. Check the Air Inlet Piping
A. Check the air inlet piping for damage or restrictions.
Damaged air inlet
piping
Result: The air inlet piping is damaged or has
restrictions.
Repair: Repair the piping or replace the piping. Veri-
fy that the problem is resolved.
Result: The air inlet piping does not have damage
or restrictions.
Proceed to Test Step 3.
3. Check the Enclosure Ventilation
A. Check that the engine has been installed in an enclosure that is
sufficiently ventilated.
Enclosure ventilation Result: The engine does not have sufficient
ventilation.
Repair: Repair the ventilation for the enclosure. Ver-
ify that the fault is resolved.
Result: The engine has sufficient ventilation.
Contact the Dealer Solutions Network (DSN).
i08723546
Intake Manifold Air Pressure Is
High
The Electronic Control Module (ECM) monitors the
intake manifold air pressure. The following event is
associated with high intake manifold air pressure:
Table 105
Diagnostic Trouble Code for Intake Manifold Air Pressure Is High
J1939
Code
PDL Code
Code Description
(Code descriptions may vary)
Comments
102-16
E1044 (2)
Engine Intake Manifold #1 Pressure : High - moderate
severity (2)
This pressure is a variable value that is calculated by the
ECM. The resulting value depends on the operating con-
ditions of the engine.
Probable Causes
• Turbocharger wastegate
• Wastegate regulator
Recommended Actions
Note: The procedures have been listed in order of
probability. Complete the procedures in order.
206 UENR4469-36
Symptom Troubleshooting
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