For most vehicles, you can find the ideal tire pressure on the sticker/card inside the driver’s door for newer cars. The recommended tire pressure varies based on the vehicle makes determined by the manufacturer after thousands of tests and calculations. What's The Recommended Tire Pressure For My Car? We got tons of questions like this from our community, so for today, let's dive deep into the world of tire pressure, put our geeky glasses on and figure out everything you need to know about your tires.ġ. Why does tire pressure matter? What the heck is that little annoying symbol on my dashboard? Should I under-inflate my tire during the winter? How often should I check my tire pressure?
#Psi drop cold weather calculator plus#
Plus if you have automatic AWD or 4×4 and it kicks in while on slick roads you are using more gas.When it comes to driving safety, tire pressure is always one of the hottest topics. If you have been driving in cold wet or snowy weather this adds up over time. Now we don’t always have to worry about this but it is a small factor. #8 Icy, Wet or Snowy Roads:Ĭars that have slippage on their tires burn more gas. This is mostly at highway speeds and long trips on the freeways. For every 10° drop in temperature, aerodynamic drag increases by 2%. A vehicle’s aerodynamic drag is proportional to air density, and the density increases as temperature drops. When it’s cold you have more drag on your car as the air passes over it. These changes make gas work better in the winter and at colder temperatures but it unfortunately also decrease MPG’s. Gas doesn’t like to vaporize at colder temperatures so oil companies change the gasoline blend differently for cold weather markets. You use window defrosters more, seats heaters and mirror heaters.You use your lights more because it’s darker earlier.Along with the garage or combining trips tip. Using synthetic fluids can help reduce this problem. Transmission and differential fluids do the same thing. When your oil and oil pan are cold your oil becomes sticky and takes more energy to pump through the engine. Parking in a garage or combing trips when the engine is warm will help reduce this. More fuel is added to the air/fuel mixture when the engine is cold. Most modern cars with computerized management systems for the engine will order up more gas in the combustion camber to compensate. Your ideal engine temperature is around 150°-195° depending on your make and model. So if your tires are under inflated by just 3 psi your car would go from getting 22 mpg to 21.7 mpg. For every 1 PSI that your tires drop in pressure you will lose about 0.4% in Fuel economy. #2 Lower Tire Pressure:įor every 10° drop in air temperature outside your tires will lose 1% in PSI or inflation. Another problem is people will leave their cars running more to keep warm, thus burning more gas as well. Cars also will idle at higher RPM’s to warm the engine up faster in cold temperatures versus warm, which also uses more gas. Most cars only need about 30 secs of idling before they are ready to go. In the winter many people warm their cars up which just wastes gas. Idling burns gas with no MPG’s so it’s the worst thing for mileage. So why such a big difference? Here are some of the main reasons why. In fact depending on your make and model of car your mileage could drop by as much as 20-28% from summer warmth to winter cold. Once you start dropping below say about 68° the mileage decreases pretty rapidly. The ideal operating outside air temperature for your best MPG’s will be from 75°-85°. The biggest reason for this is the COLD AIR. So like many people you probably notice you get worse gas mileage in the winter than in the summer. Though it is still more accurate to calculate your MPG after every fill-up. Since last year when I got a new car which now keeps track of it for me right in the on-board computer. I used to keep track of it on my iPhone and track it over time. I know I am kind of OCD about my MPG in my car. Gas may be cheap now but it’s still a huge expense for many.
0 kommentar(er)
