Diesel Engine Troubleshooting Symptoms
23
Engine Difficult to Start or Will Not Start (Exhaust Smoke)
This is symptom tree T-004.
Cause Correction
Starting aid malfunctioning or heater mount
Does not become warm
Replace the starting aid.
OK
Crank speed is too slow (minimum crank
Speed: 150 rpm)
Verify drive units are not engaged. Check the
Battery and recharge or replace.
OK
Improper fuel is being used
Drain fuel and replace with correct fuel.
OK
Clogged air cleaner element
Clean or replace the air cleaner element.
OK
Clogged prefilter
Clean the prefilter.
OK
Clogged fuel filter or strainer
Clean or replace the fuel filter or strainer.
OK
Leakage, clogging, air in fuel system
Repair and clean the fuel filter or strainer.
OK
Injection pump timing is incorrect
Retime the injection pump.
OK
(Continued)