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Ford Truck
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2009
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E 450 V8-5.4L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P0138
P0138
Note:
Refer to the applicable vehicle system to diagnose the body and chassis DTCs.
P0138 - O2 Circuit High Voltage (Bank 1, Sensor 2):
