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Oldsmobile
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1993
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Cutlass Supreme FWD V6-204 3.4L DOHC
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Diagnosis By Symptom
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With RPO C68
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Automatic Air Temperature Control Not Operating Prop
Automatic Air Temperature Control Not Operating Prop
Check for Diagnostic Trouble Codes. If no codes are set, check air temperature sensor for a poor connection. If OK, replace sensor.