1999 Mercury Mystique output shaft speed sensor circuit

Tiny
MILLMOSS
  • MEMBER
  • 1999 MERCURY MYSTIQUE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
The CEL came on my car and I got a code reading po720.

Where is the speed sensor located and is the replacement possible without taking the car to a dealership?
Sunday, January 13th, 2008 AT 4:58 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Looks like if you raise and support vehicl, remove l/f wheel and splash guard, that the sensor is on the exterior of the pump housing
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Monday, January 14th, 2008 AT 5:16 PM

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