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P0476 Diagnostic Trouble Code Discussion for May 2014

Exhaust Backpressure Regulator Malfunction (Self Test)

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Trouble Ticket Help Requests for DTC P0476
Help Request Posted
2008 GMC Acadia SLT 3.6L long crank time VIN: 1GKER33798
hey fellow techs customer complains every time she adds gas to the tank the car has a hard time starting. does not matter what amount of gas, this is the only time it has long crank time
May 20, 2014