Warming Up Your Car: Necessary or Myth?

by AutoExpert   |  31 January, 2024

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Hey, let's break down this whole "warming up your car" thing. You know, that moment on a chilly morning when you're wondering if you should let your car sit and idle before driving off? Is it actually necessary, or just one of those car myths?

So, what's up with cold starts? You know those cold winter mornings when once you turn on the ignition, feels like the engine is going somewhat high? That’s ok, it is just your car warming up and preparing to drive you where you need to get.

Warming Up Your Car

Back in the days when cars had carbureted engines, they needed to be warmed up before driving the cold weather. But that’s not the case anymore, with all the modern cars running on fancy fuel-injected engines that will ensure the perfect mix of fuel and air without any help or warming up.

So, do we warm the cars or do we not warm the cars? The big majority say it’s not necessary. Those 20-30 seconds from igniting the car and buckling up are just enough. In crazy cold temperature, go ahead and leave it for a few minutes. Minutes, not half an hour or more. 

Warming Up Your Car

But hold up, why is idling for a long time a no-go? When your car is just sitting there idling, it's not just chilling. It's burning fuel, running the battery, and not doing a great job of it. This can leave gunk in your exhaust and isn't the best for your engine over time. Plus, it's a bit of a gas guzzler and not exactly eco-friendly. Cars that idle a lot can see their fuel economy drop big time, and they're tossing more CO2 into the air.

What if your car acts like it's too cold to get out of bed and won't start? A few things could be causing the cold shoulder. Car batteries aren't big fans of the cold, and thick engine oil can make it tougher for your engine to get moving. Sometimes, water in your fuel lines can freeze, or diesel can get all thick and gloppy.

Warming Up Your Car

Now, maybe you're idling your car to warm up the inside or defrost your windows. Totally get that, but extended idling isn't great for your car or the planet. Better to scrape off that ice, hop in, and get moving. Your car warms up quicker that way, and so does your cabin.

So, wrapping it up: unless you're cruising in a classic car from the good old days, you don't need to keep your car idling to warm it up. Modern cars are ready to roll pretty quickly. Just drive gently until it hits the right temp. This is the way to go for both your car's health and your wallet.

Warming Up Your Car

Got questions about warming up your car, engine block heaters, or living in cold climates? Quick answers – drive at moderate speeds to warm up your car and cabin faster, engine block heaters are great for super cold conditions, and as long as you keep up with maintenance, cold weather shouldn't be a big deal for your car. Diesel engines? They're just like gas ones – no need for a long warm-up.
Keep your car happy, and it'll keep you warm and moving, even on the coldest days!
 

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