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GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

Low Speed Hesitation

Old 07-12-2019, 11:46 AM
  #1  
mxracer6
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Default Low Speed Hesitation

I have a stock 2007 Mustang with the 4.6L and an Automatic. For a while now I've been noticing a hesitation at low speeds, like driving in a parking lot. I can push the pedal and it almost does nothing until about 10 to 15% throttle, and then tries to take off. It's this way all of the time.

Anyone else run into this? Any thoughts for solutions?

My guess is a throttle position sensor, but I figure it's good to look into it here first.
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Old 07-12-2019, 11:54 AM
  #2  
bl817
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clean the throttle body. unplug it and take it off, give it a good cleaning with TB cleaner. good luck
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Old 07-12-2019, 03:31 PM
  #3  
GT Nate
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that car has drive by wire, you may need a new gas pedal (Rockauto.com)..You can get under the dash, undo the plugs, take the gas pedal off, remove the side cover and clean out the brass contacts really good. It could be all crudded up. A new throttle body is also a good idea.
Search this site for HOW TO CALIBRATE THE THROTTLE BODY... it's easy amigo!
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