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Eric, would any kind of vacuum leak cause a problem with HVAC? I know at this time I do have a leak coming out of what I believe is the MAP sensor but cannot be sure. There might be others also, but I know there is definitely one there. Thanks for your help, I will do as you suggested with the further diagnosis.
Oh and more thing to make clear, I’m getting zero anything out of the floor setting (when its only on the floor mode). No air at all is coming through the floor when only on floor mode, however when it turn it to the defrost/floor mode, then I do get heat out of the floor vents.
Your first problem is that it’s a Saturn =P…I would say a trip to the transmission tech is in order. I would also check out how the engine is running, since there could be literal acceleration issues/performance issues with the engine. Ignition or fuel delivery could be suspect. The fact you’re going through more gas could be indicative of some engine issue (perhaps a loss of compression, or a dead cylinder). I’m not the most knowledgeable guy myself, I’m just throwing out there what I might be thinking about. Best of luck to you, one way or another!