Intermittent Black Smoke - Detroit Diesel Series 60 EGR Technician Manual

Intermittent Black Smoke

Perform the following steps for Intermittent Black Smoke.
1. Check for Flash Codes. If Flash Codes were logged, diagnose the logged codes first.
2. Visually inspect the air filter for restrictions. If the air filter is clogged or dirty, replace the
air filter.
3. Visually inspect the air inlet hoses for soft or collapsed areas. If the air inlet hoses are
damaged, replace as necessary.
4. Visually inspect the air inlet for restrictions. If the air inlet has restrictions, clean as
necessary.
5. Perform "Test A" in the "Testing Procedure" section.
6. Perform the checks in the "Exhaust Gas Recirculation System Basic Checks" section.
Refer to the "Exhaust Gas Recirculation System Basic Checks for Series 60 Engines"
section of the DDDEC III/IV Single ECM Troubleshooting Guide, (6SE497).
7. Test drive the vehicle with DDDL and perform a snapshot. Analyze the snapshot.
8. Perform "Test B" in the "Testing Procedure" section.
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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