Excessive Fuel Consumption - Dodge D250 1990 Service Manual

Base Engine Components
DODGE Turbo Diesel
Troubleshooting Logic
Page 9A-35
Excessive Fuel Consumption
Cause Correction
Additional Loading from Check/Repair Accessories and Vehicle
Malfunctioning Accessories Components.
OK
t
Operator Technique
Review Operation for Correct Gear
Shifts, Deceleration, and Idling.
OK
•
Poor Quality Fuel
Make Sure Quality No. 2 Diesel Fuels
are Being Used.
OK
t
Inadequate Intake Air or Exhaust
Refer to Troubleshooting Logic for
Restriction Excessive Exhaust Smoke.
OK
Injection Pump Timing
Check/Time the Pump.
OK
•
Worn or Malfunctioning Injectors
Check/Replace Injectors.
OK
•
Valves Not Seating Check/Adjust Valves.