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1998
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Expedition 2WD V8-281 4.6L SOHC
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Repair and Diagnosis
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Heating and Air Conditioning
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Diagnostic Trouble Code Tests and Associated Procedures
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B Code Charts
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B1257 A/C Ambient Temp Sensor Short to Ground
B1257 A/C Ambient Temp Sensor Short to Ground
B1257-1:
B1257-2:
B1257-3 - B1257-4: