Section 4
TROUBLESHOOTING CHARTS
TM 9-2320-363-20-1
E. CODE47. HIGH FUEL PRESSURE
NOTE - This chart is only to be used if:
1 ) All basic mechanical checks and physical inspections have been performed with no problem found. and
2) Diagnosis of DDEC-II was started at step Stan-1 (page 3-121 ) and you have now been referred here.
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
47-1 Multiple Code Check
l Were there any other codes beside
Yes.
-Service other codes first.
Code 47?
No.
-*Code 47 indicates that there
was an engine running condition
where the fuel spill pressure
was higher than it should be.
I
I
3-307