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Message: <blockquote data-quote="Mike10" data-source="post: 60213" data-attributes="member: 5461">It sounds like the cold start grid heater is not working.  I do not think the heater is engaged until the temp is about 32 degrees.  Even though it may count down on the instrument panel does not mean it is actually heating.  Also I have found the heater will not heat if the seat belt is not fastened at least on the smaller loaders.  They do use the same electrical system though.Have you checked to see if you have power to the grid heater and that it actually gets warm?  Hearing the solenoid is no guarentee it is heating.On some of the engines NH recommended 0w40 synthetic oil for improved cold weather starting.You also need to check if you are getting power to the cold start advance on the injection pump.  If the pump timing does not advance it will be hard to start.  The cold start advance lays horizontal on the pump.  I am not completely familiar with the 190 and most of my suggestions pertain to the 185 and I think they will carry over to the 190.</blockquote>