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Should You Warm Up Your Car's Engine Before Driving? Myth Busted

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Warm up engine myth busted with Scotty Kilmer. Should you warm up your car's engine before driving? Warming up your car in the winter myth busted DIY. There are many myths about warming up an engine, and I'll tell you the truth about the matter. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years. ⬇️Things I used in this video: 1. Common Sense 2. 4k Camera: http://amzn.to/2hZ4AxX 3. Mini Microphone: http://amzn.to/2newgV9 4. My computer for editing / uploading: http://amzn.to/2i2sKYz 5. Video editing software: http://amzn.to/2jv5Fhf 6. Thumbnail software: http://amzn.to/2k7tz6C 🛠Check out my Garage to see what I use every day and highly recommend: https://www.amazon.com/shop/scottykilmer ❗️Check out the Scotty store: https://goo.gl/RwhRGU 👉Follow me on Instagram for the latest news, funnies, and exclusive info / pics: https://goo.gl/ohy2cA If you liked this video, consider subscribing and press the bell Icon to get updated on the newest videos every week. And remember, every TUESDAY and FRIDAY I upload a new video on the Scotty Kilmer Channel on YouTube, https://www.youtube.com/user/scottykilmer Also, if you like my car help, be sure to watch my live car talk show, every Thursday afternoon at 1 CST and Saturday morning at 10 AM CST on YouTube. I answer your car questions LIVE there. Just check it out at: https://www.youtube.com/watch?v=yQtdBelbqdg
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Текстовые комментарии (5057)
Scotty Kilmer (6 месяцев назад)
⬇️Things I used in this video: 1. Common Sense 2. 4k Camera: http://amzn.to/2hZ4AxX 3. Mini Microphone: http://amzn.to/2newgV9 4. My computer for editing / uploading: http://amzn.to/2i2sKYz 5. Video editing software: http://amzn.to/2jv5Fhf 6. Thumbnail software: http://amzn.to/2k7tz6C 🛠Check out my Garage to see what I use every day and highly recommend: https://www.amazon.com/shop/scottykilmer Consider subscribing and press the bell 🛎 icon to be notified of all new videos. 👉Follow me on Instagram for the latest news, funnies, and exclusive info / pics: https://goo.gl/ohy2cA
Shawn Peters (2 месяца назад)
Scotty Kilmer can you do a video about Econ mode option in a car
Yc 530 (3 месяца назад)
Scotty Kilmer What year would you consider a modern car?
The Truth (3 месяца назад)
Roc if you live somewhere cold.. yes u should
Roc (3 месяца назад)
I used to not warm up my Kia Sportage 2013 except for 1 min to let the engine rev down. Then after two years of ownership the engine died, cost me over $5000 to replace the engine. Always warm up your car, because when you have problems than these people giving you advice with not pay to repair it, you will.
The Truth (4 месяца назад)
ONE MILLION VIEWS! congrats scotty
NiNo Xanaphonh (1 час назад)
Good to know, thank But will still warm it up
jayjALISter (10 часов назад)
I am learning a lot from you videos :D :D :D
Ifadelv L (12 часов назад)
This man hella ugly lmao
Kenny Lau (1 день назад)
I warm up my car , my bike , my oven , my water heater , my gas stove and even my bed .
Allen NZS (1 день назад)
Seems like there are still tons of opposite opinions about this in the comment section, some people says warm up, some people says no need to warm up, who should I listen to?😂😂 I owned a 2010 Infiniti ex37 and never warm up the engine before I go, I always drive away nearly the same second I press the start/stop button😭 will my engine destroyed because of this? Help me Scotty😭😭😭
Jeremy Russell (1 день назад)
I always wait til my car and jeep idle down before I start driving
Bob Gunner (1 день назад)
I don't think Scotty quite has a handle on this one. Houston and Michigan (in my case) are much different. When you start your car on a cold January morning when its 10 degrees outside, you'll think twice about just starting it up and driving off.
Brendon Mallard (2 дня назад)
Ok, well screw my owner's manual where it says to wait until my engine has reduced to idle speed, down from the 1,500-2,500 rpm (depending on weather), to put it in drive. Screw my transmission, and screw my top end. I'll just go. OH, and screw all the other youtube channels being wrong, keep that witch hunt up please. I will just learn to love the awful clunking noise when I just turn the key and throw it in drive, or I'll never get those 15 seconds back.
Joey Stratner (3 дня назад)
This was a boner
TheNauseator (4 дня назад)
"Ice cold" is relative, but I do agree that modern engines handle pretty much any temperature WAY better than older ones. My neighbor has a gorgeous 1950's Chevy with carburetor, choke, and all those other antique features on it. Even on "cold" California days when it's 54 degrees F, that Chevy needs to be cranked about 3 times before even one cylinder fires. After that, if it starts, you have to give it some 8 minutes to warm up. If you try to drive it in choke, it will stall - manual transmission. Young people don't know just how good modern engines are in cold(er) weather.
PUMA R (4 дня назад)
Hey what about a 2001 sierra do I have to or not.
Steve C (4 дня назад)
hi Scotty, great video as always! I've learned a whole lot from you since I subscribed to your channel. My question is that I got a 10 years old BMW 5 series. Every time i start my engine cold, the RPM is always high. At least I have to wait for like 2 minutes or so, the RPM will back down to normal. As you showed a cold start with your 10-year old Toyota in your video, how come your RPM is much lower? Does that mean there's something wrong with my car?
El Comandante (1 день назад)
Steve C that happens due to the rear left tire being under inflatted.
erin scot (5 дней назад)
scotty i love watchin you ..and you crack me up ,your a good dude so keep on makin the vids man.
Michael Quillen (5 дней назад)
Have a '99 Toyota Solara (1MZ) with 310,xxx miles on her. My warm up when warm weather? The time it takes to get the seat belt on. For cold weather (as low as -40F)? The time it takes to put the seat belt on and about 10 more seconds.
jason gaskin (5 дней назад)
I have mazda 3 2005
Gerardo de Iriarte (6 дней назад)
What about diesel cars?
jellybean1976928 (6 дней назад)
24YO Toyota doesn't even have MAF!!! Gee, my Volvo's that are 10 years older had a MAF, and the Celica pretended to be a sports car.
Lees706 (7 дней назад)
Hi Scotty.. I have a 1988 Cadillac Eldorado Base Model. A/C blows cold but not much comes threw the vents.I don’t think it has a Cabin Filter. If it does where is it located? Any suggestions what else could be causing the problem?
Ira Baker (7 дней назад)
You should have add a video that people should drive their cars for a certain amount of time due to condensation because I know a lot people who drive their cars for short drive cycles and are unaware of the risk long-term. Your channel is Awsome Scotty
David Wieneke (8 дней назад)
When you start even a modern fuel injectored car the engine will idel at about 1500 rpm for about 10 seconds before dropping down to 900-1000 rpm. You should wait for the engine idle to drop to 900-1000 before you drive it.
David Wieneke (8 дней назад)
Yes modern oil will flow when cold but he forgot to consider that the oil in the gearbox and engine settles to the bottom and does not coat all parts evenly. It is best practice to let the car run for about 15 seconds before starting to drive.
Frank Artieta (8 дней назад)
I think when it comes to a lot of things you're dealing with personal preferences ! My thoughts are ! I don't know about you but my Pistons or actually oblong and not round ! Untill they reach operating temp ! I like to give all my engine parts time to warm up ! Could I run the machine to failure and then measure the difference ! Maybe not ! For a instance ! I don't downshift , I touch my brakes ! Changing brake parts is relatively easy , changing Thrust bearings is not ! What we all do with our own personal Machinery is our own personal business ! i DO THINK Most everything can be measured ! To measure the longevity of an engine that was warmed up every time compared to an engine that was run hard cold ! I would say to measure that could be complicated ! The things that I can't measure I try to err on the conservative ! If someone wants to crank their engine and hold the gas pedal to the floor , and never let off ! I say power to you ! WE ALL Spends our own monies and takes our own chances :) We just have different ideas !
M Breckwoldt (9 дней назад)
I always warm up my cars, especially my diesels
Solomon Mile (11 дней назад)
Hi Scotty I know this is an old video but I noticed you only make videos about gasoline engine. When it comes to engines do most of your videos only apply to them or even diseal cars as Well. Thanks.
Solomon Mile (11 дней назад)
Hi Scotty I know this is an old video but I noticed you only make videos about gasoline engine. When it comes to engines do most of your videos only apply to them or even diseal cars as Well. Thanks.
dus22345 (12 дней назад)
Scotty, you’re awesome!
BADDAZZ GARAGE (12 дней назад)
Dosent a cold engine block expand as it warms up! So when cold the pistons rub against the wall of the cylinders?? And if you rev it cold it will cause ware on the cylinders?? Once warm the pistons have a little more room to flow up and down!! I think this is commen physics!!!! Any race car will warm up engine before reving it!! I think your wrong scottie !!!
Nazraq S (12 дней назад)
I have a 2013 Civic Si and it doesn't have a temperature gauge. It only has 3 different lights to show temperature. When I start it up, it shows a blue light until it warms up. The other two lights are orange and red, but I've thankfully never seen them turn on. Anyway, I prefer to let my engine warm up before I push the RPMs over 4 grand.
Xstasee (12 дней назад)
The only thing I do is wait for the idle to kick down before I take off; this is usually between 30 seconds to 1 minute on a cold day.
2AverageNoobs (13 дней назад)
You still shouldn't start it, and drive immediately... Either I'm taking what you're saying wrong, or the more I watch your video's, the least I trust you as a mechanic...
wonbong cho (13 дней назад)
ravi kiran (14 дней назад)
Excellent video . I love your videos and keep up the good work 👍🏼👍🏼
JoshW_16 (14 дней назад)
Alberta is colder than cold
Rumblebee Games/news (14 дней назад)
Here’s why Scotty’s wrong, when anything cools, it shrinks, and when that happens, things grind and seize up. Modern cars fuel system have no bearing on engine block temperature, if your block is shrunk due to the cold, it will cause stress on your engine. That is why every car needs to warm up.
Gixxer983 (14 дней назад)
Drive off as soon as posible at a normal pace. If you warm up the engine without moving the car it creates spots that are hotter on one place than the other, thus creating uneven expansion of metals.. If you drive off as you cold start your car, the warm air from the radiator and the engine blows on the whole engine heating it up evenly. Hope it makes sense.
Clint Thomas (15 дней назад)
I didn't think you was supposed to drive it until the temp metre reaches the c mark... My theory is that at this point the gaskets and engine components can absorb heat better at that stage rather than revving it's guts off at cold.. sort of like pooring hot kettle water on to cold glass.
Insight (15 дней назад)
I don't know much about cars but I do know on cold days the car warms up much quicker by driving it rather than let it warm up by sitting. Plus you waste more gas sitting than actually moving. On the snow days I have no choice but to turn on the car just to get the defrost going, scrape as much snow and ice off, then go. But if there's no snow and ice to scrape off I just get in and go and it takes about 2 minutes for the car to get warm. Letting it sit to get warm takes about 5 minutes. Same thing with cooling the car, it cools faster by moving than sitting and waiting. Letting the car sit to cool or get warm, and you do that every time before you drive will really eat at your gas tank.
Shwappler (16 дней назад)
i do think it's beneficial for the piston rings to get warmed up a little bit so they seal better.
Kurt Watson (17 дней назад)
I have a 2011 RAM 1500 5.7 HEMI. The idle starts at 1600 RPM every time I start it regardless of temperature and slowly drops to normal, around 700 RPM, after about 30 seconds or so. I always wait until it's below 1,000 RPM, before putting in gear. I wish it was a manual, but you have to upgrade to a HD model to get the manual transmission. I will be selling it soon to buy an older truck with a manual transmission.
trenthav (17 дней назад)
I have a 2001 Silverado wth a 5.3 Vortec. I let mine idle for about a minute because if I don't you can hear the valves when put it in drive and just take off. I think this is because this engine needs a second to pump up and lube the valves on top of the engine. In the winter it's more like 2 minutes. I also will turn the key to on for about 5 seconds before I start it to all the fuel pump to pressurize. I've heard this extends the life of the fuel pump...I does start quicker when I and it's just 5 seconds no big deal.
Mark G (17 дней назад)
Warm up your engines!!!!!!!
Joseph Stalin (18 дней назад)
That's why I have a block heater so I don't have to wait as long to let my truck warm up.
Steve Franklin (19 дней назад)
But scotty, shouldn't you let it run for say, 30 seconds to let the oil circulate before driving off?
Jorge LaMadrid (20 дней назад)
Bro chill, it takes like 5 minutes dog. Patience is essential. Its like you tell people to do things they shouldn’t
Roman L. (21 день назад)
Modern manufacturers use "planned obsolescence" so they design engines that will eventually fail and you go buy new car, low rpm could be just one tool to destroy it faster.
Karsten Kanegawa (21 день назад)
damn i live in a place where it's -50 below
ChiquitaSpeaks (21 день назад)
Scotty’s been smoking crack, his ticks getting crazier
chrisw (21 день назад)
i still let the car warm up, just in case..
Ben Chud (22 дня назад)
Is this guy high on something?
Mike Evans (22 дня назад)
What if it’s turbocharged, don’t I have to wait like 15 minutes before i drive it hard like 5500 rpm
Teo P (22 дня назад)
Always allow the fluids to be warmed up a bit No need to always reach the ideal temp, but if you have small, high revving engines you should.
Alion In tights (23 дня назад)
this is a fail, literally everyone knows you have to warm up almost ANY piece of machinery including some electric machines, the chevy I drive at work has an engine knock until it warms up for about 5 minutes, does that mean the engine knock doesn't exists if it doesn't matter to warm them or not?
Mr407Mike (23 дня назад)
Sorry, its not 'cold' in Houston.
Radi Geshev (23 дня назад)
Cocaine is a hell of a drug man !
Mr3344555 (23 дня назад)
You CAN drive on a cold engine. If you want your engine to last, spend 10-15 minutes smoking and on your phone in your car. You saving 10 minutes isn't worth 3000-7000 for an engine in 3 years. 10 minutes, I waste that pooping or on my phone lol
Bob Dope (25 дней назад)
Gabriel Ferreira (26 дней назад)
I just let it idle for 30 seconds and drive without reving high until the engine warm up.
Ghosteriz (27 дней назад)
So my Honda City 2009 engine is an antique because it revs higher when the engine was cooled down.
gunfighterdrummer (27 дней назад)
When I was a young boy my father took me into the city to look at a marching band.
Kyle Adams (28 дней назад)
Have you happen to do a video on tire weights? I find that sometimes when I have my tires changed sometimes the tire weights come off and I’m wondering if that has any effect on my car....
TheDriftSetup. (28 дней назад)
My engines fudged and it sounds like a diesel unless I warm it up first.
GODSOFTHEGUITARS (28 дней назад)
Hey Scotty what’s your thoughts on letting a vehicle warm up before turning your ac or heat on is ok to start the car with them on or should I turn it off to before I shut them off to prevent excessive wear on the vehicle?
Mikeyanp (29 дней назад)
Wow... if any of you actually rebuild engines you would KNOW the truth! Warming up an engine has to do with ALL of the above. Clearances everywhere, dissimilar metals, oil FLOW NOT PRESSURE... Oh BTW, oil pressure IS NOT OIL FLOW! High pressure is a bad sign just like low pressure. Now when it comes to transmissions y'all are right and wrong! The oil does start to warm up in the torque converter but the whole trans doesn't heat up for a FEW miles. So drive easy the first 10 miles!
Robert DeMaio (29 дней назад)
Rev up your engines is a bad thing
Robert DeMaio (29 дней назад)
No never
nonua bisnus (1 месяц назад)
Yeah whatever, I've been through this problem, if you have hydraulic lifters in your engine, you have to let them get warm before you put it in Drive, you should at least wait till the idle drops below 1000, it takes maybe 30 seconds if it's already warm outside, a lot less if it's hot outside, maybe two minutes if it's ice cold outside, the better question is would you really want to risk damaging your engine in ice cold weather when you really might need it?
Paul Richardson (1 месяц назад)
Do I need to let my 2009 harley davidson Ultra classic warm up first before take off, its fuel injection.
Beast Laser (1 месяц назад)
The answer is yes
tingokuman (1 месяц назад)
Good to kmow. I never warm up my car😀
Andre Woods (1 месяц назад)
You should still drive slowly untill the engine gets to operating temperature.
LX Music (1 месяц назад)
thank you scotty
TheLokoViejo (1 месяц назад)
Scotty you are awesome.I kno u love toyotas,But can you do a video on 2002 dodge ram 1500 pick up? The pros and cons of it that would be great.. And answer me this..Why does ford not make a car that rivals the corvette??..
Noble6 (1 месяц назад)
Old habits die hard Ima keep “warming it up” everytime lol
Privacy Matters (1 месяц назад)
*You don't HAVE to let it warm up but it's a GOOD IDEA to let your vehicle warm up for a few minutes before you drive off* . (Especially in colder weather.) *All vehicles have a "normal" operating temperature that they run at, and it's not "C"* . When you're talking about engines of any kind, they all work better when they're up to normal operating temperature.
Suupeer-Man (1 месяц назад)
i live in canada and in winter we can get -40 degrees outside soo we are told too at least warm it for a min to the oil lubricate the engine completely before pushing it. also, it is said that driving the car under 2500 rpm for the first 10 km is also a good idea. what do you think?
Glenn Armstrong (1 месяц назад)
Scotty I have a 2012 Nissan Titan and my ABS and Slip light has come on, how do you fix this problem and what does the Slip light mean?
Steeve Cantave (1 месяц назад)
I once drove my car after one or two minutes warning it up in 10 or 20 F. It did not go very well as every time I would press the gas pedal, the noise coming from the engine was not pretty. I pulled over and waited 5-10 more minutes before getting on the road again, and things were much better. It's not just the engine, but all the different parts need to get a bit of heat.
Carskick (1 месяц назад)
So mostly, I agree with you, Scotty. However, I wish you had pointed out that you shouldn't drive your car hard until it reaches operating temperature. This is especially true of Turbo & high performance cars. Also, the metal myth does have some truth. If I drive my tuned I4 turbo hard before it completely warms up, I get moderate "Knock Retard" according to the computer. But, once I'm at full operating temperature (About 6-9 minutes of normal driving), then they'll be minimal to no Knock detected when I go WOT.
L. (1 месяц назад)
It is much nicer to listen to you if you talk a bit more calm and less screamy.... But warming the engine up also has to do with different metals used in the block. Cast iron block with a aluminium head, different expansion rates.
FamousByFamily (1 месяц назад)
what about a high milage 2000 model gm thats making upper engine noises if i don't let it idle for 5 minutes. the noises go away eventually but i'd prefer to drive without such noise.
Joe bob (1 месяц назад)
I never drive my car until the idle is low and warmed up. Peace of mind.
semiretired86 (1 месяц назад)
is it a good idea to warm your car when the windows are frozen in the winter or just scrape the ice off without starting it up?
Annie Kladdinge (1 месяц назад)
dont do burnaoute he says and do it for him self..
iAgentLu (1 месяц назад)
4 to 5 seconds need to be waited before driving.
Wayne Rowe (1 месяц назад)
well unless your car got stuck in ice age freezing rain or a carburetor- nope.
KoolCat ! (1 месяц назад)
Why do I feel like Dennis Hopper is teaching me everything about cars? Haha. Love this channel though & Scotty....you the MAN!
Bash Ka (1 месяц назад)
A diesel truck mate u have to warm it up
rex armigos (1 месяц назад)
i disagree , you should warm up your engine 5mins max so the oil can circulate better
twiztidlalo (1 месяц назад)
Scotty did you just say you live in houston ?
Dante Hernandez (1 месяц назад)
A lot of time was wasted hopen lol
Roman Goryelov (1 месяц назад)
Thanks. Finally logically explained.
Paul Buttler (1 месяц назад)
Scotty you seem to be a hamburger short of a big mac' but you are a good mechanic'👍'
Hollywoodsaint 57 (1 месяц назад)
Master of cloak and dagger....I present to you....Scotty Kilmer....Auto Mechanic Genius!
Mut Muut (1 месяц назад)
is it warming the engine before driving means giving time for oil engine get through the engine first before you go.
Lady UnPlugged (1 месяц назад)
I always do. No matter summer or winter. Always.
Derik Howard (1 месяц назад)
I love this guys videos but he's a back yard mechanic. Almost every car I ever driven I would just start up and drive. It would only take half the way to destination before the heat would kick in. Now I have 07 honda fit that requires to be warmed up. Has a light that goes off when it's ready. Go before that light is off and my car wants to stall at stop.
COUNTRY GUNNER (1 месяц назад)
Don't think I agree unless your talking full warm up. I like to START AND LET IDLE ON ITS OWN UNTIL THE IDLE KICKS DOWN TO WERE NEAR IT IDLES WHEN FULLY WARM just to get a little heat in the motor and let the fluid in the trans get circulating and a little heat. But DON'T THINK EXCESSIVE IDLING TO WARM FULLY UP IS NECCESSARY.
Grayfox772 (1 месяц назад)
I have a 97 civic, it tends to run better after I've warmed it up.
Sahpra1994 (1 месяц назад)
Your an idiot

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