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Home >> Pontiac >> 2006 >> Grand Prix Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - 3.8L - DTC P0446 To P2108 >> DTC P1400 >> Circuit/System Verification

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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