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Cadillac
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2007
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STS V
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls And Fuel - 4.4L - DTC P0153 To DTC P0690
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DTC P0196
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Component Testing
Component Testing
Compare the resistance of the IAT sensor to the temperature vs resistance table.
If the difference is more than 9 percent, replace the MAF/IAT sensor.