SPEEDOMETER NOT WORKING

  • Tiny
  • Dan7
  • 2006 Chevrolet Optra
  • 40,000 miles

Your question: "I have an chevy optra 2006! The problem with it is the speedometer not working and it drives only in 1, 2, 3 gear! 4 and 5 dosent work it is a automatic car. What can cause this problem?"

Sunday, March 4th, 2012 AT 9:03 PM

7 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,260 posts

Have you checked for codes yet?You could a speed sensor issue.

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Sunday, March 4th, 2012 AT 9:05 PM
  • Tiny
  • Dan7
  • Member

Yes it did! I have a Computer that detects what problem the car could have and when I hooked it up it detected the speed sensor output could this cause this problem?

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Sunday, March 4th, 2012 AT 9:12 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,260 posts

Alright how about sharing the exact code number your code scanner gave you?It will start with a P followed by a four digit number.

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Sunday, March 4th, 2012 AT 9:17 PM
  • Tiny
  • Dan7
  • Member

Its PO502

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Sunday, March 4th, 2012 AT 9:18 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,260 posts

Do you have the 1.8L or 2.0L engine?

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Sunday, March 4th, 2012 AT 10:51 PM
  • Tiny
  • Dan7
  • Member

A 2.0 pleae let know as soon as possiable when u know what the problem could be

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Sunday, March 4th, 2012 AT 11:04 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,260 posts

I posted a tree to tell if its the speed sensor or wiring pcm etc. Let me know what you find.

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Sunday, March 4th, 2012 AT 11:37 PM

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