Mph readings will indiate on the speedometer

Tiny
JACKC1212
  • MEMBER
  • 2003 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 55,000 MILES
Speedometer reads 100mph at 0 to 1500 rpm and indicates 80mph above 1500 rpm. No other mph readings will indiate on the speedometer. Mileage indicator records miles driven and appears to be working correctly. Check engine light is not on. Code reading is 0. I suspect a speed sensor, but unsure where it is located and if, indeed, this is the problem. Your input is greatly appreciated.

Thank you and have a great weekend.
Saturday, August 1st, 2009 AT 4:24 PM

4 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Hello,

This sounds more like the cluster has gone out here is a video on the job being done on a similar car with diagrams below for your car.

https://youtu.be/_HEC44xENxw

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Tuesday, April 6th, 2021 AT 5:29 PM
Tiny
JACKC1212
  • MEMBER
  • 3 POSTS
Thank you for the rapid reply. If after going through all these tests and it proves to be the speed sensor where on my 2003 Ford F150 4x4 will I find the sensor(s)
Thank you again
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Tuesday, April 6th, 2021 AT 5:29 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
There are two on yours, on on left side of the transmission, the other ont left rear tail of tranny.
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Tuesday, April 6th, 2021 AT 5:29 PM
Tiny
THEMAC
  • MEMBER
  • 0 POST
Replace the cluster cost me $167.00 rebuilt. All good now
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Tuesday, April 6th, 2021 AT 5:29 PM

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