FE639 L4-3.9L DSL Turbo (1998)
[6] Inspection of sub control rack position sensor
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Measure the resistances between the following terminals: 1 and 4 ; 1 and 3 ; 3 and 4.
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If any resistance is out of specification, replace the sub control rack position sensor 6.
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Have replacement performed by the nearest MFTA Dealer.
[7] Inspection of engine water temperature sensor
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Put the engine water temperature sensor 7 in a container of engine oil.
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Heat the oil to each of the specified temperatures. Stir the oil to ensure that it heats up evenly.
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At each of the specified temperatures, measure the resistance between the terminal 1 and body of the engine water temperature sensor 7.
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If the measurements are out of specification, replace the engine water temperature sensor.
[8] Inspection of pre-stroke actuator
Perform the following inspections. If any abnormality is evident, have inspection and repair performed by the nearest MFTA Dealer.
CAUTION: The pre-stroke actuator 8 must be inspected when the engine is cold.
1. Measurements on connectors Measure the resistance between terminals 2 and 3; 1 and 3; 1 and 2; 4 and 5.