B3.9 and B5.9 Series Engines
Troubleshooting Symptoms Charts
Section TS - Troubleshooting Symptoms
Engine Runs Rough or Misfires (Continued)
Check the injectors and replace any malfunc-
Injectors worn or malfunctioning
tioning injectors. Refer to Procedure 006-026.
Perform the compression check to identify the
ngine compression is low
malfunction. Correct as required. Refer to
Remove the fuel pump. Refer to Procedure
uel injection pump is malfunctioning
005-012 or 005-014. Calibrate the fuel pump.
amshaft timing is not correct (after engine
Check the gear train timing alignment. Refer to
rebuild or repair)
Inspect the camshaft and tappets. Refer to
amshaft, tappets, or pushrods are damaged
Procedure 001-008 or 004-015.