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coolant sensor intermittent fault

uncle al

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help   I have a display come up on the dash which says low coolant level. this display comes and goes,   however temp gauge is fine and coolant level is also fine. my conclusion is a sensor problem. where is the sensor and how easy is it to replace? that assumes I am correct   any ideals please   alan

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I think you are right about it being a sensor problem, Alan.  Before they had these sensors you just had to look at the coolant level and if it was OK then the car was OK.


It can't be far away from the coolant reservoir, but my old technique would be  to give it a thump with a lump hammer doesn't work with these modern things.



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  • 3 weeks later...

ok people it seems that the sensor is working fine. so now the problem is coolant loss and quite dramatic. no drips or wet patches but header tank empties in 50 miles or so. a mechanic spotted that there was a residue in the header and thought it may have been radseal or similar. now im thinking Oil !!. any ideals?                  alan

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