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Saab
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2006
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9-7X 4.2i
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 4.2L - DTC P0013 To P0134
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DTC P0121
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Conditions For Setting The DTC
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Conditions For Setting The DTC
The PCM detects that the calculated airflow rate is more than expected.
The above condition is present for more than 12.5 milliseconds.