Ranger 4WD V6-245 4.0L VIN X SFI (1999)
14. Disconnect the Crankshaft Position (CKP) sensor.
15. Disconnect the engine control sensor wiring from the:
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Engine Coolant Temperature (ECT) sensor.
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water temperature indicator sender unit,
16. Disconnect the fuel injectors.
17. Disconnect the camshaft synchronizer.