HOW DO I REPAIR

  • Tiny
  • aguayo3371
  • 2005 Dodge Neon
  • 94,320 miles

Po731 po500 speedometer not working gas gadge acting up going from quarter to empty I have already changed the inner and outer speed sensor all started when the car ignition switch failed I replace it and now starts now it's no going into differt gears just in limp mode

Monday, November 21st, 2011 AT 5:45 AM

7 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

731 gear ratio error 1st gear. If you replaced the sensors, check wiring and check for corrosion, damage.

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Monday, November 21st, 2011 AT 5:55 AM
  • Tiny
  • rasmataz
  • Member

Recheck the vehicle speed sensor

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Monday, November 21st, 2011 AT 6:05 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

PO500 is a speed sensor issue. As Raz mentioned, recheck the wiring, plug. To the speed sensor.

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Monday, November 21st, 2011 AT 6:16 AM
  • Tiny
  • aguayo3371
  • Member

I just checked both the inner the outer sensor connecters is there any way to see if they are powering up

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Monday, November 21st, 2011 AT 6:34 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

The problem is they work on what is called a hall effect. Basically, the sensor is a magnut which produces a current when a steel ring passes it.

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Monday, November 21st, 2011 AT 6:49 AM
  • Tiny
  • aguayo3371
  • Member

One more? Please if the transmiton shift silinoid is bad will that make the speedometer not work?

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Monday, November 21st, 2011 AT 7:11 AM
  • Tiny
  • rasmataz
  • Member

Check the wiring for short and open circuit going back to the computer if okay could be the computer itself

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Monday, November 21st, 2011 AT 5:26 PM

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