I put an extra spring on the linkage and was able to get it through AirCare. Thanks again to everyone who offered help! It still is binding ever so slightly - especially when warm. I am thinking the problem may be where the spring is located. Mine is in the linkage at the pivot point. Is this where it should be? I am thinking that the full spring tension is not being transferred properly to the throttle shaft. Thanks again to all helpful Bolters!