ENGINE FUEL SYSTEM
By manually pumping the lift pump, you can determine that fuel is being pumped, but you will not know if it is at the correct
FUEL SUPPLY PRESSURE - STEICE-R TEST 24
Measures the outlet pressure of the fuel pump.
Shut down engine per TM 5-3895-373-10.
Set TEST SELECT switches to 24.
DCA Test Pins: u and v
Press and hold TEST button until CAL appears on
Run confidence test per TM 94910-571-12&P. Wait for
Release TEST button and wait for offset value to appear
one minute after turning engine off to run confidence test.
on display. If offset value is within -4.5 and +4.5,
proceed. If not, go to DCA troubleshooting in TM 9-
POSSIBLE ERROR MESSAGES
Required offset test was not performed.
Press and release TEST button.
Run engine at test speed per TM 5-3895-373-10.
Observe displayed value. Display values are in
pounds per square inch (psi). Expected values are:
@500 to 850 rpm
@2640 ±40 rpm
If STEICE-R reading does not approach expected value, check transmitter per DCA diagnostics, paragraph 2.21.