Thread: p1030 ?????
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      07-28-2009, 03:39 PM   #4
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Drives: 2006 330i
Join Date: Jul 2009
Location: Ohio

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Putting a load on the engine, i/e A/C, would make a air leak or problem with idle control more prevelant than without any load and is probably why you only get it then. What happens is that your car can compensate for whatever is wrong without a load, up to a certain degree, and then once the load is put on the car it sets the code because it runs out of the parameters that its supposed to run in. Whatever is wrong is between these 2 thresholds and isnt showing itself without a load. Without knowing what the code actually is it's relativly difficult to determine what the causes could be and at this point is pure speculation.