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Home >> Cadillac >> 2007 >> XLR V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P1380 To DTC P2544 >> DTC P1400 >> Circuit/System Verification

Circuit/System Verification

Allow the engine to cool.
Start and idle the engine for at least 2 minutes.
DTC P1400 should run and pass.

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