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Hello ya'll. Heres the story, today its been really cold ( around -4). This problem has only happened when its really cold out. When i first go out in the morning I go to push the throttle and its like its stuck. The pedal wont move at all. Today when I started it it was idleing at redline!. I had to manually move the throttle body inside the truck to idle it down, then it idles fine. Now when driving it drives fine for a little bit and then when the truck gets cold from dricing, the pedal sticks again and I can let off the throttle and the truck will drive itself down the road untill I let it idle down again. What could be causing this??

Thanks alot, John Murphy
 

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Ok a 1999.
There is a throttle cable that runs from the throttle to the Accelerator Pedal Position Sensor (APPS) under the hood on the drivers side of the engine. You might check to see if water, oil or any other junk is around the cables. Since yours has an auto. transmission, there may have other cables.
All help gratefully accepted.
 
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