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How do I repair

Tiny
AGUAYO3371
  • MEMBER
  • 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
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Monday, November 21st, 2011 AT 5:45 AM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,712 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
  • MECHANIC
  • 75,992 POSTS
Recheck the vehicle speed sensor
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Monday, November 21st, 2011 AT 6:05 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,712 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
  • 4 POSTS
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
  • MECHANIC
  • 109,712 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
  • 4 POSTS
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
  • MECHANIC
  • 75,992 POSTS
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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