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Speedometer

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Janey

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Speedometer
« on: April 20, 2021, 11:22:20 am »
We had 2 coils and spark plugs replaced - 70 miles later our speedometer went wacko.   Registers 80 and our gps says 60.  I know I wasnít going 80!  What would cause this and can I fix it myself.

Janey (resting and relaxing at Lake Point SP  in Eufala, Alabama)
Suzanna Jane (aka Janey) and Sid Shazly

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donc13

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Re: Speedometer
« Reply #1 on: April 20, 2021, 11:40:43 am »
Speedometer is connected to the transmission (physically or electronicly) and has nothing to do with spark plugs or coils.  I suspect (but don't know) in 2014 it's all electronic, meaning the error is in either the vehicle engine/drive train computer or the speedometer itself.  Especially since it was "70 miles later" from the ignition fix before the speedometer whacked out.

That would indicate the need for a trained mechanic with a diagnostic computer to locate the error.

Out of curiosity, does the tachometer also seem to read high?

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Don and Patti

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Janey

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Re: Speedometer
« Reply #2 on: April 20, 2021, 11:45:20 am »
Weíre leaving sat am and will check then.  The motor was running great.
The engine light is not on.

J
Suzanna Jane (aka Janey) and Sid Shazly

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Ron Dittmer

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Re: Speedometer
« Reply #3 on: April 20, 2021, 09:21:43 pm »
I believe the speedometer is not rotating-cable-controlled, but rather electronically controlled.  Before running to a mechanic, I would disconnect all batteries and leave it rest for an hour, then reconnect.  It's like rebooting your home computer.  Maybe you will get lucky and it clears it's head.
Ron (& Irene) Dittmer

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Janey

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Re: Speedometer
« Reply #4 on: April 24, 2021, 09:46:02 pm »
Well, Iíll be @#$&!    Left campground this am and itís fine!    Iím thinking this little Moho has a mind of her own and loves to play tricks!

Janey (happy and content at a brewery in Alabaster,Alabama- Harvest Hosts)
Suzanna Jane (aka Janey) and Sid Shazly