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Originally Posted by stuartnh
The air is cold! Under the dash are vaccuum controlled units that change the direction of the air to either the vent, defrost or floor. The direction of the air is the problem. I think has lost vaccuum and is not enough to move them??? Could this be an EGR valve causing the loss of vaccuum?
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Hi, EGR does not figure directly here. Your system should default to defrost in the absence of vacuum. Are you in a certain mode at a certain time? i.e. do you mostly go to defrost at idle? Normal flows at speed?