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International Automotive Technicians Network
Re: P3056 EXHAUST PRESS SENSOR
Posted to Technical Discussion Forum on 6/9/2011

Hi Steve,

Roger that on the sensor. The description of the system only says that the sensor is used to measure particular trap flow for when and how much to regen. I agree that this could be an effect code. I have read online of repeat coding by cars being f... Login to read more.