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Home >> Saab >> 2007 >> 9-7X 4.2i >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.2L - DTC P0420 To DTC P1682 >> DTC P1400 >> Circuit/System Verification
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Circuit/System Verification

Allow the engine to cool. Monitor the Cold Startup parameter. This should indicate Yes. Start and idle the engine for at least 2 minutes. DTC P1400 should run and pass.

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