Troubleshooting Logic
Page9A-8
Base
Engine Components
DODGETurbo Diesel
Engine
Hard to Start Or
Will
Not Start * Smoke From Exhaust (Continued)
Cause
Correction
Fuel
Lift Pump Malfunctioning
Disconnect
Fuel Une and Verify Fuel
Delivery.
OK
Injection Pump Throttle Linkage Loose
Visually Check The Linkage.
or Damaged
OK OK
Verity by Operating the Engine
with
Clean
Fuel
from
a Temporary Tank.
Check
for
Presence
of
Gasoline.
Drain
and Flush Fuel Supply
Tanks.
Replace
Fuel/Water Separator Filter.
Contaminated Fuel / Fuel
Verity by Operating the Engine
with
Clean
Fuel
from
a Temporary Tank.
Check
for
Presence
of
Gasoline.
Drain
and Flush Fuel Supply
Tanks.
Replace
Fuel/Water Separator Filter.
Contaminated
with
Gasoline
Verity by Operating the Engine
with
Clean
Fuel
from
a Temporary Tank.
Check
for
Presence
of
Gasoline.
Drain
and Flush Fuel Supply
Tanks.
Replace
Fuel/Water Separator Filter.
OK
•
Verity by Operating the Engine
with
Clean
Fuel
from
a Temporary Tank.
Check
for
Presence
of
Gasoline.
Drain
and Flush Fuel Supply
Tanks.
Replace
Fuel/Water Separator Filter.
OK
•
Worn
or Malfunctioning Injection Pump
Visually Check Fuel Delivery
With
an
Externally Connected Injector to one of
the Pump Outlets. Replace the Pump if
Fuel
is Not Being Delivered.
OK
t
Injection Pump Out of Time
Check/Time
the Pump.
OK
•
Valves
incorrectly Adjusted
Adjust Valves.
OK
t
One or
More
Injectors
Worn
or
Check/Replace
Injectors.
Malfunctioning
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