Low Power - Dodge D250 1990 Service Manual

Base Engine Components
DODGE Turbo Diesel
Troubleshooting Logic
Page9A~l5
Low Power
Cause Correction
Fuel Control Lever Not Moving to Full Check/Correct for Stop-to-Stop Travel.
Speed
OK
•
Mechanical/Shutdown Lever Partially Check to see if the Shutdown Lever is
Engaged
in Run Position.
OK
High Oil Level Check/Correct Oil Level
OK
t
Engine Overloaded
Check for Added Loading from
Malfunctioning Accessories or Driven
Units, Brakes Dragging and Other
Changes in Vehicle Loading.
OK
t
If the Condition is Slow Throttle
Response, Leaking Air Fuel Control
Tube or Malfunction Control in the Pump
Tighten the Fittings. Replace the Pump
If the Condition is Slow Throttle
Response, Leaking Air Fuel Control
Tube or Malfunction Control in the Pump
if the Controls are Not Functioning.
OK
•
Incorrect External Injection Pump Verify Pump Timing Marks are Aligned.
Timing
OK
•
Inadequate Intake Air Flow Inspect/Replace Air Cleaner Element.
Look for Other Restrictions.
OK
^ (Continued)