Ranger 4WD V6-245 4.0L VIN X SFI (1999)
6. Disconnect the PCM connector.
7. Disconnect the engine control sensor wiring from the:
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Idle Air Control (IAC) valve.
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EGR transducer.
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EGR solenoid.
8. Disconnect the vacuum line from:
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the EGR solenoid.
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the upper intake manifold.
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the Exhaust Gas Recirculation (EGR) valve.
9. Disconnect the crankcase ventilation tube.
