Engine Management System
Engine Overheats (FS)
Indication
Flashing
g
overheat lamp
h
l
Flashing
g
overheat lamp
h
l
with
with
engine misfire
g
Engine Overheats (FST)
Indication
Flashing
g
overheat lamp
h
l
Flashing
g
overheat lamp
h
t l
with
with
engine misfire
Turbo Boost is Limited (FST)
Illuminated overheat lamp
Engine coolant temperature is at or below 122° F (50° C) OR
Engine coolant temperature is at or above 203° F (95° C)
Intake manifold air temperature is at or below 32° F (0° C) OR
Intake manifold air temperature is at or above 158° F (70° C)
Overboost condition occurs (CHECK ENGINE MIL lamp will flash)
Fuel octane is too low (use the recommended fuel)
At Vehicle
Speed
MPH (km/h)
0-31 (0-50)
32-46 (51-74)
230-221 (110-105)
47-62 (75-100)
221-212 (105-100)
Above 62 (100)
0-31 (0-50)
32-46 (51-74)
239-230 (115-110)
47-62 (75-100)
230-221 (110-105)
Above 62 (100)
At Vehicle
Speed
MPH (km/h)
0-31 (0-50)
32-46 (51-74)
221-212 (105-100)
47-75 (75-120)
Above 75 (120)
0-31 (0-50)
32-46 (51-74)
239-230 (115-110)
47-75 (75-120)
230-221 (110-105)
Above 75 (120)
Indication
At Engine
Temp
° F (° C)
230 (110)
212 (100)
239 (115)
221 (105)
At Engine
Temp
° F (° C)
221 (105)
212-203 (100-95)
203 (95)
239 (115)
221 (105)
FEATURES
Explanation
Lamp flashes when
p
engine temperature
i
exceeds table values
exceeds table values
Lamp flashes and
p
engine misfires when
i
i fi
h
engine temperature
engine temperature
exceeds table values
Explanation
Lamp flashes when
p
engine temperature
i
exceeds table values
exceeds table values
Lamp flashes and
p
engine misfires when
i
i fi
h
engine temperature
engine temperature
exceeds table values,
operator may feel
operator may feel
loss of power
Result
Operator may feel
loss of power
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