I had everything turned off on start up ,Radio,Air-con etc but still it persisted in colder temperatures only hence why i thought it must be a sensor ,aschen needs to do the same turn everything off ,
It could be a sensor, but my money is still on oil viscosity - when temperatures drop to freezing levels, friction from even an 0W oil will increase significantly; and that's before we start talking about the effect of the higher viscosity oil on the hydraulic valvegear.
I wonder how much additional testing Fiat did on the 105TA in subzero temperatures?
Not a problem today, thankfully - it's a most pleasing 21C this afternoon in Bournemouth
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