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Ford Truck
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1992
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E 250 Van V8-7.3L DSL
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Repair and Diagnosis
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Powertrain Management
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Transmission Control Systems
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Testing and Inspection
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Pinpoint Tests
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B: Transmission Fluid/Oil Temperature (TFT/TOT) Sensor
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B4
B4
Self-Test Fault Codes: 56/637, 66/638 TOT Sensor Circuit Open Or Grounded - Test B: