From a point of ignorance. Is the EGR supposed to be calibrated to match the command and the actual? If not, could it be that the output from the MAP is faulty either in its level or its connectivity? Or lastly could the stepper motor in the EGR be shot and not moving as much as the command is demanding?
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2012 XC70 SE Lux Polestar 230 bhp D5 Auto Oyster Grey
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