MBE 900 & MBE 4000 EGR – Section 5 Testing

Section 5
Testing

The following operational events and diagnostic recommendations are based on conditions identified by the Detroit Diesel Customer Support Center. The recommended troubleshooting procedures are accurate as of April 2005.‪

• Troubleshooting SID 146: Refer to "4.3.2 TROUBLESHOOTING SID 146" :
  • Fault Code s 146/0 — EGR Temperature above Normal
  • Fault Code s 146/1 — EGR Temperature below Normal
  • Fault Code s 146/2 — Data Erratic
  • Fault Code s 146/7 — EGR Valve not Responding
  • Fault Code s 146/12 — Bad Component
• Inspection of EGR Cooler: Refer to appendix "7.2.2 Service Information Letters" — Service Information Letter 04 TS -38, EGR Cooler Inspection
• Inspection of Thermostat Housing: Refer to appendix "7.2.2 Service Information Letters" — Service Information Letter 04 TS -57, MBE 900 Model Year 2004 EGR Overheat Condition
• Verifying DDEC-ECU Parameter Settings: Refer to appendix "7.2.2 Service Information Letters" — Service Information Letter 04 TS -61, MBE 4000 PLD Parameters
• Inspection of Charge Air Cooler: Refer to appendix "7.2.2 Service Information Letters" — Service Information Letter 05 TS -01, Charge Air Cooler Leaks

Note: You may also access Service Information TS letters after logging into the DDC Extranet by clicking on Support, On-Highway, Service Information, Service Information Letters, 2004-to-2006 Service Letters . To access 18SP documents, click on Support, On-Highway, Service Information, Special Publications (18SPs) .