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P1400 Diagnostic Trouble Code Discussion for June 2014

Cold Start Emission Reduction Control System

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Trouble Ticket Help Requests for DTC P1400
Help Request Posted
2009 Chevrolet Silverado 1500 LT 5.3L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1GCEK29019
P1400: Cold Start Emission Reduction Control System. Hello, this truck has never acted up for me. Customer has dropped it off several times and says that it is getting more and more frequent. When the truck starts cold it runs horrible, to the point the customer thinks something is horribly wrong with the motor....
June 06, 2014