How do you reset the check engine light on a 2005 Ford Expedition?
You have to take it to a shop to have it reset. if it tripped, it means something isn't working right, and that often leads to lower gas mileage if it isn't fixed, costing more money in the long term
I did some research and found that your codes both sorce back to the electronic throttle control on your engine.
[P2104-Throttle actuator control system-Forced Idle]
[P2112-Throttle actuator control system-Stuck Closed]
Having not examined the vehicle, I'd suggest two things for you:
First- replace the controller, which is attaced to the throttle body with one from a salvage yard.
secondly- get some old rags and clean inside the throttle body using carb cleaner.
with luck, this should clear up your problem.
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SOURCE: reset ems (check engine light) on ford expedition
Try to remove positive baterry terminal for 20 minutes and install it nack. That will reset your ECU and it will run little rought tilll learn new change in 02 sensor.
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Actually I went to Advanced Auto and they ran a check for codes. The codes were P2104 and P2112. After they checked the codes I had them reset. Now just need to find what the codes mean and see if they reoccur in the future.
Thanks! I did just clean the inside of the throttle body so I'll see how that works before replacing the throttle actuator control.
started to pulling and gas didnt respond for seconds then work but check engine light came on
engine light on
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