Poor Engine Performance - Detroit Diesel Series 60 EGR Technician Manual

POOR ENGINE PERFORMANCE

Troubleshooting steps are as follows.
1. What version of software is the DDEC V ECU running?
[a] If the software version is lower than Level 2, reprogram the ECU. Perform TEST E.
Once the ECU has been reprogrammed, proceed to step 2.
[b] If the software is Level 2 or higher, proceed to step 2.
2. Verify that the engine hardware has been campaigned or modified to the latest version.
[a] If you are uncertain or unable to determine if the engine has been campaigned or
modified to the latest version, please contact the Detroit Diesel Customer Support
Center at 313-592-5800.
[b] If you are able to determine that the engine has been campaigned or modified to the
latest version, proceed to step 3.
3. Verify that the fuel filters are not plugged. Refer to the "Preventive Maintenance" section
of the Series 60 Service Manual, (6SE483) for inspection steps.
4. Visually inspect the air filter element for excess dirt, blocked filter elements, and damage.
Refer to the "Air Cleaner" section of the Series 60 Service Manual, (6SE483) for removal,
inspection, and installation steps.
5. Verify that the VPOD is connected to a dedicated air line.
[a] If the VPOD air line is not connected to a dedicated source, refer to OEM guidelines
for a solution. Once the problem has been resolved, proceed to step 6.
[b] If the VPOD air line is connected to a dedicated source, proceed to step 6.
6. Perform TEST D to test the Barometric Pressure Sensor. Once the test has been completed,
proceed to step 7.
7. Perform TEST A to verify that the CAC system is not damaged.
[a] Once the test has been completed, verify that the reported poor engine performance
problem has been resolved. If the problem has been resolved, the troubleshooting
task has been completed.
[b] Once the test has been completed, verify that the reported poor engine performance
problem has been resolved. If the problem has not been resolved, please contact the
Detroit Diesel Customer Support Center at 313-592-5800.
All information subject to change without notice. (Rev. June 2005)
7SE60 0506 Copyright © 2005 DETROIT DIESEL CORPORATION
SERIES 60 EGR TECHNICIAN'S MANUAL
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