Table Of Contents - Detroit Diesel MBE 900 Technician Manual

PRELIMINARY

TABLE OF CONTENTS

1 INTRODUCTION .................................................................................................................
1.1 VEHICLE INSPECTION ..................................................................................................
1.2 OPERATOR INFORMATION ...........................................................................................
1.3 TROUBLESHOOTING TIPS ...........................................................................................
1.3.1 LOW POWER .............................................................................................................
1.3.2 FUEL SYSTEM ...........................................................................................................
1.3.3 AIR SYSTEM ..............................................................................................................
1.3.4 CHASSIS DYNAMOMETER TESTING ......................................................................
1.3.5 EXHAUST SMOKE .....................................................................................................
1.3.6 COOLANT LOSS ........................................................................................................
1.3.7 INTERMITTENT ISSUES ...........................................................................................
2 COMPONENTS ...................................................................................................................
2.1 MBE 4000 ENGINES WITH EGR SYSTEMS .................................................................
2.1.1 TURBOCHARGER AND EXHAUST MANIFOLD .......................................................
2.1.2 EXHAUST GAS RECIRCULATION SYSTEM .............................................................
2.2 MBE 900 ENGINES WITH EGR SYSTEMS ...................................................................
2.2.1 TURBOCHARGER AND EXHAUST MANIFOLD .......................................................
2.2.2 EXHAUST GAS RECIRCULATION SYSTEM ............................................................
3 EGR OPERATION ...............................................................................................................
4 CODES ................................................................................................................................
4.1 DIAGNOSTIC TROUBLESHOOTING .............................................................................
4.1.1 SHUTDOWN-ENGINE PROTECTION FAULT CODE = RED .....................................
4.1.2 DERATE-ENGINE PROTECTION FAULT CODE = BLUE ..........................................
4.1.3 PERFORMANCE FAULT CODES = YELLOW ...........................................................
4.2 CODE DESCRIPTIONS ..................................................................................................
4.3 TROUBLESHOOTING OF PERFORMANCE CODES ..................................................
4.3.1 DESCRIPTION OF SID 146 ......................................................................................
4.3.2 TROUBLESHOOTING SID 146 ..................................................................................
4.3.2.1 146/0 - EGR TEMPERATURE ABOVE NORMAL ..............................................
4.3.2.2 146/1 - EGR TEMPERATURE BELOW NORMAL .............................................
4.3.2.3 146/2 - ERRATIC DATA ......................................................................................
4.3.2.4 146/7 - EGR VALVE NOT RESPONDING .........................................................
4.3.2.5 146/12 - BAD COMPONENT .............................................................................
4.3.2.6 VERIFYING REPAIRS ..........................................................................................
4.4 ENGINE PROTECTION ..................................................................................................
5 TESTING .............................................................................................................................
6 DETROIT DIESEL DIAGNOSTIC LINK/SNAPSHOTS ......................................................
6.1 WORKING WITH DDDL SNAPSHOTS ...........................................................................
6.2 USING SNAPSHOT REPLAY CONTROLS ....................................................................
6.3 E-MAILING SNAPSHOT FILES .....................................................................................
All information subject to change without notice. (Rev. 5/05)
7SE940 0505 Copyright © 2005 DETROIT DIESEL CORPORATION
MBE EGR TECHNICIAN'S GUIDE
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