4 Reasons Why Car Won’t Start When Cold But Starts When Warm

Your car faces numerous problems in with the changing weather. Some of which are- car won’t start when cold but starts when warm. If you too are facing this issue or have ever faced, you are at the right place. Here you will come to know about four most common reasons why a car stops working in cold. So, let’s begin!

Car won’t start when cold but starts when warm

There could be numerous reasons for a car not starting at low temperature. But, the possibility of these four reasons is high. What are these four reasons, let’s find out now!

1. Using the wrong oil

Pouring wrong oil in your car is like feeding wrong food to a kid. Whether your car is old or new, it’s necessary to check car’s manual for what is the right oil for your vehicle. Some cars demand thicker oil approximately 10 to 30 W and some may demand thinner oil approximately 5 to 20 W. However, the thin oil is ideal for winters as the engine can ignite it easily. On the other hand, thicker oil is worst for winters as the molecules start clustering when degrees drops below zero. So, avoid using thicker oil in winters or as described in the manual of your car because it could be the reason why the car won’t start when cold but starts when warm.

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Car won’t start when cold but starts when warm issues
Car won’t start when cold but starts when warm problems. Source: Autoproyecto

2. Bad battery

When your car is ideal, it can result in the chemical in the battery to hold back. This eventually makes the battery to stop working permanently or temporarily. Moreover, replacing the battery after every three years is preferable. You might find it quite expensive it’s the only way to drive safe in the winters. If you have, just replaced your battery and still, the car isn’t starting, contact the experts or use some DIY maintenance tips. To fix the battery temporarily, you can use a jumper set cable or a trickle charger for car. So, make sure that you buy a new battery in a regular manner to avoid any big issue.

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3. Water in the fuel line

Everyone knows that nothing could be worse than having water in the fuel line. But, it’s not the case in winters. It’s natural to get water in the fuel lines and gasoline not reaching to the engine can stop the entire functioning. Besides, the fuel lines freeze and when condensed with the change in temperature, only water is left everywhere. Fuel with low alcohol or using the premium fuel is the only one solution to stop the fuel lines to freeze. Moreover, in normal days, water could be filled in fuel lines while car washing or something else. Carelessness toward such situation can even lead to the replacement of entire fuel line. So, consult the capable mechanic in your area whenever you are in such situation.

4. Fault in Carburetor

The older cars face this problem as there is a tool called carburetor, which collaborates gasoline and oxygen together to achieve external combustion. Dirt or malfunctioning in carburetor during travelling is the reason behind a car not working. If you know you are using right oil, the battery is working fine, and there is no water in the fuel line, check for the carburetor. For a help, contact the nearby mechanic as well.

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Solution to car won’t start when cold but starts when warm problem. Credit: Getty Images/iStockphoto

See more: How to start your vehicle in cold weather and clean it off

So, this is why your car won’t start when cold but starts when warm. Apart from the above reasons, there might be other situations when your car might not respond. So, take it for a repairing once in three months.