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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 P0446 To P2120
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DTC P0451
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Conditions For Running The DTC
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Conditions For Running The DTC
DTC P0451 runs only when the engine-off natural vacuum small leak test, P0442, executes.
The number of times this test runs can range from 0-2 per engine-off period. The length of the test can be up to 10 minutes.