Potentiometer
Motorcraft® Potentiometers:
  • Are designed, manufactured and tested to Ford Motor Company engineering specifications
  • Are designed specifically to work with the engine control computers in Ford, Lincoln and Mercury vehicles
  • Feature gold-plated electrical connections for highly reliable performance
  • Have been tested and proved in operating temperatures from -40° to 135°F
  • Work even when exposed to underhood fluids such as fuel, oil, solvents, coolant and brake and transmission fluids
Potentiometer
Why a Potentiometer May Fail
  • Because the potentiometer is an electomechanical device, it may fail because the rotor mechanism is damaged or wears out, or because the variable resistor has failed
  • Typical symptoms are poor fuel economy and poor engine drivability
Related Components to Check
  • Electronic circuits both to and from the potentiometer
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