Section 91.3 SPN 2629/FMI 20

Section 91.3
SPN 2629/FMI 20

This condition is typically temperature too high from the turbo outlet.‪

Section 91.3.1
Turbocharger Check

Check as follows:‪

  1. Inspect the turbocharger outlet plumbing and charge air cleaner for blockage, leaks or cracks. Repair as necessary
  2. Turn the ignition ON (key ON, engine OFF).
  3. Perform the turbo hysterisis test.
    1. If the test fails, replace the turbo actuator. Refer to "91.3.1.1 Verify Repairs" .
    2. If the test is a pass, go to step 4 .
  4. Disconnect the Turbo Compressor Out Temperature Sensor.
    1. Inspect the connectors for damage, corrosion, spread or bent pins. Repair as necessary. Refer to "91.3.1.1 Verify Repairs" .
    2. If the connectors are OK, replace the Turbo Out Temperature Sensor. Refer to "91.3.1.1 Verify Repairs" .
Section 91.3.1.1
Verify Repairs

Verify repairs as follows:‪

  1. Turn ignition OFF.
  2. Reconnect any electrical connections that were disconnected to perform the diagnosis.
  3. Clear codes with DDDL 7.0 or latest version.
  4. Start and bring engine up to operating temperature (over 140°F/60°C).
  5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.


EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567
Generated on 10-13-2008

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