Compression Knocks - Dodge D250 1990 Service Manual

Troubleshooting Logic
Page 9A-34
Base Engine Components
DODGE Turbo Diesel
Compression Knocks
Cause Correction
Air in the Fuel System
Bleed the Fuel System.
Air in the Fuel System
Bleed the Fuel System.
OK
Verify by Operating from a Temporary
Poor Quality Fuel/Gasoline Tank with Good Fuel; Clean and Flush Poor Quality Fuel/Gasoline
the Fuel Supply Tanks. Replace
Fuel/Water Seperator Filter.
OK
±
Engine Overloaded Verify that Engine Load Rating is Not
Being Exceeded.
OK
*
Incorrect Injection Pump Timing Check/Time Injection Pump.
OK
Malfunctioning Injectors Check/Replace Injectors. Malfunctioning Injectors Check/Replace Injectors.