Dodge D250 1990 Service Manual page 147

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