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Ford Focus Estate mk1 1600 - speed sensor problem again - steviecapt

hi guys im having problems with my speedo, i replaced the speed sensor about 6 months ago that cured the speedo problem, but last night the speedo droped to zero and is now not working, do you guys think its the speed sensor again, ive just taken the wiring loom off cleaned the conections and its still not working, surely these sensors last longer than 6 months although i did buy it off ebay if that makes any difference or is there another cause, what makes me think it could be something else is the fact that when the first sensor went it died slowly gradually getting worse, but the new one just dropped to zero straight away and i had the dashes on the readout, hope someone can help, cheers steve

Ford Focus Estate mk1 1600 - speed sensor problem again - MikeTorque

Is the car fitted with a lead acid battery or calcium battery ?

If lead acid battery that can cause a speedo to drop to zero.

A Focus 1 should be fitted with a calcium battery.