Car will not start when outside temperature is less than four degrees

2005 MAZDA 2
115,000 MILES • 1.4L • 4 CYL • 2WD • AUTOMATIC
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SLOBO
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Mazda 2 2005 year, 1.4 HDI semi automatic. When the outside temperature is less than 4 degrees Celsius car won't start and then the blinking light N, sometimes shines and the red light of transmissions. When the outside temperature is over 4 degrees Celsius car works normally, the gearbox and the engine are working perfectly and automatically and manually mod. Can you help me what can be the problem?
Dec 31, 2017 at 5:42 AM
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STRAILER
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Hello,

It sounds like you have an engine coolant temperature sensor issue. When these sensors get a little off the computer cannot pick up the problem so it will not trigger a check engine light. Here are guides to help us get started fixing the problem:

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

and

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

Here is how it will be on your car.

Check out the diagrams (below).

Please let us know what happens.

Cheers, Ken
Jan 1, 2018 at 1:38 PM