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Car Won't Start in the Cold? Causes and Fixes

Winter can be a challenging season for vehicle owners, particularly when cold temperaures make it difficult to start your car. If you've ever found yourself stuck with a car that won't start on a chilly morning, you're not alone.


Common Causes of Cold Weather Starting Problems


Weak Battery

Cold weather can reduce a battery's capacity to hold a charge, making it harder to start your engine. Older batteries are especially vulnerable to freezing temperatures. Ensure your battery is in good condition and fully charged. If your battery is more than three years old, consider replacing it before winter sets in.


Thickened Engine Oil

Low temperatures can cause engine oil to thicken, which makes it harder for the engine to turn over and start. Using the wrong viscosity of oil for winter conditions can exacerbate this issue. Ensure that your oil service is up to date, and that the correct oil is used, relating to your vehicle's manual for the recommended oil type.


Faulty Spark Plugs

Spark plugs that are worn out or damaged may struggle to ignite the fuel-air mixture in cold conditions, preventing the engine from starting. Regularly check your spark plugs for wear and tear. Replacing them with high-quality/OEM plugs can improve cold weather starts.


Fuel System Issues

Moisture in the fuel lines can freeze in cold weather, blocking the flow of fuel to the engine. Additionally, low fuel levels can cause condensation, leading to fuel line freeze. Keeping your fuel tank at least half full reduces the risk of condensation and fuel line freeze.


Regular Maintenance

Regular maintenance checks can identify potential issues before they become serious problems. Schedule a winter check-up with IV Services to ensure your vehicle is ready for the cold months.


Preventative Measures for Winter Driving


  • Keep Your Car in a Garage: If possible, park your car in a garage to protect it from extreme cold and snow.

  • Use a Car Cover: If a garage isn't available, a car cover can provide some protection from the elements and help maintain a warmer temperature around the vehicle.

  • Prepare an Emergency Kit: Keep an emergency kit in your car with essentials like jump leads, a portable battery charger, blankets, and a torch.


Cold weather can pose significant challenges to starting your car, but understanding the common causes and taking preventative measures can help ensure your vehicle is ready to go when you need it. For professional winter vehicle maintenance and comprehensive diagnostic services, visit IV Services Kings Lynn. Our experienced technicians can help keep your car running smoothly through the coldest months. Schedule your appointment today and drive with confidence this winter.

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