Fix for speedometer not working on citroen synergy?
Answers:
if it is eletronic then new sencer is needed in box if manuel then you need a new cable or clock is fu7cked
sorry for bad languge.
both cable & senser not to much money but clock?
If your other readings are working in the cluster then its probably your vss or speed semsor that is in the tranny, Im not sure if all cars are the same but i had mines replaced and now the speedometer works.
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