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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 695 (Engine Controls And Fuel - 2.2L (L61) - DTC P0420 To DTC P2544) >> DTC P1400 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

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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