Odd speedo problem! - Alfa Romeo Forum
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(Post Link) post #1 of 3 Old 09-10-09 Thread Starter
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Odd speedo problem!

Hi all ,recent 155 owner here,having just sold my 166

Have a strange problem with the speedo of my car in that when the ignition is switched on it whacks round to 140mph and the odo clicks over as well.I have disconnected it from the back for the time being ,but any clues anyone?Would this point to a speedo issue or a speed sensor problem do we think?

Thanks for any input!
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I had the same thing in a punto a few years ago! i think?
As you say that your needle does move around at startup i would guess its the sender, in the punto it was attached to gearbox, changed that with 2nd part and job done.
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What year is she mate? there was a batch of faulty Binacles released, the most common prob was the speedo not moving on acceleration until she warmed up but you might have a dodgy Binnacle. Try replacing it and see what happens.
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