TM 9-2320-387-24-l
FUEL SYSTEM
KNOWN INFO
WHITE SMOKE
POSSIBLE
PROBLEMS
COOlANT
IN
CYLINDERS
K
II
KNOWN INFO
MAINTENANCE
. .
I
i>
0
FROM Hl,
Page 2-128
ENGINE WONT SHUT
OFF
TEST OPTIONS
POSSIBLE PROBLEMS
1
DOES THE ENGINE LOSE
EXCESSIVE COOLANT?
I
DIAGNOSTIC FLOWCHART
.
iT OPTIONS
LOOK AT COOLANT LEVEL IN
SURGE TANK.
REASON FOR QUESTION
If the engine loses coolant but not
from leaks in the lines, hoses, heater
or radiator, it may have a crack or
I
blown gasket in ihe engine.
FUEL SOLENOID
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ROTARY SWITCH OK
SOLENOID WIRING
USE PLIERS TO SQUEEZE FUEL
RETURN LINE AT INJECTION
PUMP.
NONE
REASON FOR TEST STEP
\ There is an internal injector
pump problem that is preventing
procedure will cause it’to stall.
Ll
1
TEST OPTIONS
1
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RECONNECT BODY CONNECTOR.
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1. STEIICE-R TEST 89
DISCONNECT ENGINE
(Page 2-505)
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CONNECTOR FROM PROTECTIVE
CONTROL BOX.
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2. MULTIMETER
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IS VOLTAGE 0 AT WIRE 54A AT
THE FUEL SOLENOID?
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REASON FOR QUESTION
If there is a voltage reading, there
is a short in the wiring harness.
REPAIR SHORT
CONNECTOR
2-132
