Question about 2012 Ford Taurus
The wrench symbol light is a warning light for the electronic throttle control system . Drive by wire ! The system uses electrical inputs from gas pedal sensors to the engine computer ,then by the voltage signal inputs the PCM - engine computer controls a electric motor to open throttle blade . This allows more air to enter the engine , the PCM can see that increase in air volume by the inputs from the mass air flow sensor . The PCM will add more fuel so you can go faster . Cool ! When the light comes on and the vehicle slows down , it's gone into limp mode . The PCM saw a voltage input it didn't like . There are two position senors in the gas pedal assembly and there are two throttle position sensors in the throttle body on the engine . Drive by Wire training Check out a few of these training videos ! GM ,Ford , Toyota , doesn't matter all work the same .
Posted on Dec 11, 2016
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Posted on Jan 02, 2017
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