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ETB Speedo Pulses


danielbrookes

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Evening, IVA on Thursday - all done bar one thing the ETB speedo is way out.

It registers far too high.  I’ve set it to pulses and tried to calculate the number but clearly way off the mark.  

I will call ETB tomorrow but if someone is able to calculate the number of pulses required that would be awesome (and aid my sleep!).

Wheel sizes are 195/50/15 and diff ratio is 3.62 and it’s the diff bolt sensor.

Thanks and some eye candy...it needs a good wash...

F945E3CB-077F-470E-954F-29D0B23B4A57.jpeg

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Spoke to ETB and they were great, they gave me 12870 which is not a million miles from your number - assuming mines more specific to ratio and tyre size.

More importantly it’s massively different to the current setting which explains it being out.

Thanks again everyone.

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Dragging this one up again.  At IVA yesterday my speedo worked, to 30mph and then either stopped or examiner said it went backwards (!!).

I haven’t yet looked but considering it flat out stopped or went backward I am assuming it isn’t configuration.

Any thoughts, bad earth or interference? I was thinking it could be sensor distance from the bolt heads.

thanks (again!)

Dan

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