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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel System (Diesel) >> Fuel Heater Inoperative Diagnosis (6.5L) >> Test Description
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Test Description

The numbers below refer to step numbers in diagnostic procedure.

  1. 2

    This step checks for a fuel heater that is stuck ON.

  2. 3

    This steps checks for a thermostatic switch that completes the circuit.

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