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7-iron. Did you find a resolution to your problem? My 94 Yukon is doing the same thing. My truck runs fine except for the range between cruising to light throttle, regardless of speed. There is a slight engine surge and is more pronounced at times, but usually not very noticeable as most times the engine is accelerating or decelerating. However, I cant help but think this contributes to the poor gas mileage and would like it fixed. If it is the throttle position sensor, is there a way to test it?
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