THROTTLE POSITION SENSOR OUTPUT VOLTAGE

  • Tiny
  • Wrenchtech
  • Expert
  • 19,586 posts

White? There is no white wire. There is a gray wire and that is the wrong one. You should have the black lead on the black wire and the red lead on the blue wire.

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Wednesday, November 30th, 2011 AT 12:26 AM
  • Tiny
  • bmxwayne
  • Member

Ok I tested on the wires as you said and get a reading within spec but when I check for dtcs I am still getting one for the tp sensor what else could cause that

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Wednesday, November 30th, 2011 AT 12:41 AM
  • Tiny
  • Wrenchtech
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Any of the related wiring or the PCM itself.

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Wednesday, November 30th, 2011 AT 12:42 AM
  • Tiny
  • bmxwayne
  • Member

I do know that I have a failing fuel injector I have a replacement for that on the way

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Wednesday, November 30th, 2011 AT 12:43 AM
  • Tiny
  • bmxwayne
  • Member

I replaced the pcm less than a year ago there must be a bad connection somewhere then

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Wednesday, November 30th, 2011 AT 12:45 AM
  • Tiny
  • Wrenchtech
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Perform the same test on the same wires at the pcm and see if you get the same results.

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Wednesday, November 30th, 2011 AT 12:47 AM
  • Tiny
  • rasmataz
  • Member

I have a funny feeling about the brain here-Wrench which was my next step on ur suggestion

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Wednesday, November 30th, 2011 AT 12:50 AM
  • Tiny
  • Wrenchtech
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We'll find out when he finishes the test I just gave him.

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Wednesday, November 30th, 2011 AT 12:56 AM
  • Tiny
  • bmxwayne
  • Member

Ok got the same reading at the pcm now what

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Wednesday, November 30th, 2011 AT 1:14 AM
  • Tiny
  • Wrenchtech
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  • 19,586 posts

If you're absolutely sure that that code is resetting immediately, then you have a bad PCM. It would be better if you had a scanner to look at the TPS numbers that the PCM is seeing.

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Wednesday, November 30th, 2011 AT 1:17 AM

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