Detroit Diesel 4000 Series, Service Manual, Page: 2658 / 2706

SERIES 4000 12/16V SERVICE MANUAL
E 012.05 P – EXHAUST GASES BLACK
Start with the first probable cause for exhaust gases black listed in Table 15, perform the check
and take the suggested remedial action. If the problem persists, go to the next probable cause,
perform the check, etc., until troubleshooting is complete.
Probable Causes Check Remedial Action
Engine receiving insufficient
combustion air Refer to section E 012.05 N Refer to section E 012.05 N
Fuel injection equipment faulty Refer to section E 012.05 D Refer to section E 012.05 D
Too high resistance in exhaust
system Exhaust back pressure
Exhaust system Clean exhaust silencer
Engine overload; power take-off
too high Auxiliary PTO power (power consumption
too high) dialogue unit/data recorder
(speed-sensitive fuel limiter actual/specified
torque) Refer to DDEC III/IV Single
ECM Troubleshooting
(6SE497) and/or
DDEC
Multi-ECM Troubleshooting
Guide (6SE496)
Table 15 Exhaust Gases Black
All information subject to change without notice.
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