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FEATURES
Engine Management System
Engine Overheats (FS)
Engine Overheats (FST)
Turbo Boost is Limited (FST)
Indication At Vehicle Speed
MPH (km/h)
At Engine
Te m p °F (°C)
Explanation
Flashing High
Temperature
Indicator
0-31 (0-50) 230 (110) Lamp flashes when
engine temperature
exceeds table val-
ues. Stop and cool
the engine.
32-46 (51-74) 230-221 (110-105)
47-62 (75-100) 221-212 (105-100)
Above 62 (100) 212 (100)
Flashing High
Temperature
Indicator with engine
misfire
0-31 (0-50) 239 (115) Lamp flashes and
engine misfires
when engine tem-
perature exceeds
table values. Stop
and cool the engine.
32-46 (51-74) 239-230 (115-110)
47-62 (75-100) 230-221 (110-105)
Above 62 (100) 221 (105)
Indication At Vehicle Speed
MPH (km/h)
At Engine
Te m p °F (°C)
Explanation
Flashing High
Temperature
Indicator
0-31 (0-50) 221 (105) Lamp flashes when
engine temperature
exceeds table val-
ues. Stop and cool
the engine.
32-46 (51-74) 221-212 (105-100)
47-75 (75-120) 212-203 (100-95)
Above 75 (120) 203 (95)
Flashing High
Temperature
Indicator with engine
misfire
0-31 (0-50) 239 (115) Lamp flashes and
engine misfires
when engine tem-
perature exceeds
table values, opera-
tor may feel loss of
power. Stop and
cool the engine.
32-46 (51-74) 239-230 (115-110)
47-75 (75-120) 230-221 (110-105)
Above 75 (120) 221 (105)
Indication Result
Illuminated High Temperature Indicator
Operator may feel
loss of power
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 light will flash)
Fuel octane is too low (use the recommended fuel)