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Speedo Stopped Working For A Few Mins


trevs

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  • F6+300+
  • Member
  • Member For: 19y 4m 21d
  • Location: In The Ute

Check your ABS sensors on the wheels. The Speedo is done via Pulse width modulation via the ABS sensors not the gearbox like the old days. I unplugged mine once testing the stall and limp mode to see if I could get around it. Then when going for a drive with it disconnected No Speedo and the engine cuts out at higher revs as a safety function as it doesn’t know what speed your doing.

Sounds like you have an intermittent loss of a sensor. Maybe unplug each one and spray some contact cleaner in each plug and see how it goes.

Greg

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  • 69 - PSI
  • Donating Members
  • Member For: 18y 6m 5d
  • Location: Gladstone QLD
cheers just the info ive been after ill check that out this weekend

My car has done this a few times while doin a burnout at the drags, still seems to run fine though.

Gav

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  • 6 months later...
  • The Cleaning Dudes Ute
  • Silver Donating Members
  • Member For: 17y 11m 17d
  • Gender: Male
  • Location: Bentleigh, Vic, Australia

My ute has done this a couple of times lately.

When I start it up it almost seems as though it struggles to crank over, then fires up... just no speedo.

Turn it off/on and its back to normal.

Not sure about the lack of power high up, has only happened to me in traffic.

Anyone come up with a concrete fix to this?

Edited by Jman
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  • Donating Members
  • Member For: 16y 11m 13d
  • Gender: Male
  • Location: Sydney

I'm with F6_Tornado, it most definitely sounds like the sensors. Not sure if ford has removable abs rings on the CV joints but it might be worth checking. I had one of them fall out of place on my 626 and abs was thinking the wheel was not moving and it being the "advanced" single channel abs system it was cutting almost all braking force, not fun, almost run over some of my sisters friends. Anyway the ring will cause the same symptoms as a rooted sensor.

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  • 1 month later...
  • Donating Members
  • Member For: 17y 10m 22d
  • Gender: Male
  • Location: Sydney

Hey guys

Anyone come up with a fix for the speedo not working Mine keeps doing it even after switching the car on and off a few times...

Also the abs light,traction control light and brake light flash and the car goes into limp mode...

I've replaced both rear ABS sensor...

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  • Need more power. Now taking donations.
  • Member
  • Member For: 15y 1m 2d
  • Gender: Male

Mine did this last night. I gave it a quick burst in 1st and it went for a short walk down the street, however it decided to add a bit of wheel-hop in the middle of my fun. As soon as it did that, the speedo died. After shutting it down for an hour or so, it came back to life as normal. No further problems as yet...

Edited by seduced
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  • The Cleaning Dudes Ute
  • Silver Donating Members
  • Member For: 17y 11m 17d
  • Gender: Male
  • Location: Bentleigh, Vic, Australia

It might have something to do with the battery.

I replaced my battery recently and just up until my original died, it did this quite a bit. Now with the new battery, it hasn't happened since.

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