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Discussion Starter #1
Hi all,

I have a '01 1.9td ABL T4 with no modifications, sometimes when I'm stationary and running at idle, the speedo jumps around between 0 and 20mph.

I've mainly noticed it when I have had the lights on, not actually spotted it when the lights are off but it might be because it's less noticable.

Speedo seems to work fine when moving.

I noticed it is actually adding mileage to the counter too, so I would like to fix it but I don't really know where to start.

Anyone solved a similar issue or have any suggestions on what could be causing it? Thanks!
 

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Hi. I'm new owner of a t4 1.9td, abl 1996, and i don't know much but i'd like to help you. So first, your speedo is electronic. In this case you can try to fix it by cleaning sensor and its cables. A dirty sensor might send faulse signal, and dirty (wet, corroded, kracked insulation) cables can "barrow" some voltage between signal and supply wires.
 

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Premium Member
Joined
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167 Posts
Discussion Starter #4
Hi. I'm new owner of a t4 1.9td, abl 1996, and i don't know much but i'd like to help you. So first, your speedo is electronic. In this case you can try to fix it by cleaning sensor and its cables. A dirty sensor might send faulse signal, and dirty (wet, corroded, kracked insulation) cables can "barrow" some voltage between signal and supply wires.
Thanks mate, helpful suggestion. I'll take a look over the weekend.
 
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