Plugged Fuel Filter(S) Replacement - Detroit Diesel MBE 4000 DDEC VI Troubleshooting Manual

4.20

PLUGGED FUEL FILTER(S) REPLACEMENT

4.20 PLUGGED FUEL FILTER(S) REPLACEMENT

Perform the following steps to replace the fuel filter(s):
1. Replace the fuel filter; Refer to the MBE 4000 Service Manual (6SE420), Preventive
Maintenance Chapter.
2. Test the engine to determine if starting has been improved; refer to section 4.20.1.
4.20.1 Test Engine with Replaced Fuel Filters
To determine if the replaced fuel filters resolved starting difficulty, perform the following steps:
To avoid injury before starting and running the engine,
ensure the vehicle is parked on a level surface, parking
brake is set, and the wheels are blocked.
1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting
is required. Shut down the engine.
2. If the engine fails to start and run, check the fuel pump; refer to section 4.21.
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PERSONAL INJURY
6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION
(Rev. ) All information subject to change without notice.