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My car is intermittently going into "limp" mode with "wrench" displayed on dash. If I restart the vehicle, it resets as if there's no problem at all. I just had the diagnostic code read, and it came back as P2112 throttle actuator stuck closed. I'm trying to address with a minimum in repair charges. Any suggestions?
Vehicle: 2012 Ford Fusion Hybrid

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It could be caused by carbon buildup in the throttle body. I'd start by cleaning. But it may require replacement. That's fairly easy. See this post for instructions on how to clean the throttle body

http://ricksfreeautorepairadvice.com/ford-electronic-throttle-body-cleaning/

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