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Author Topic: "warming up" your vehicle Back to Topics
Vane520

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Ontario

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Message Posted: Mar 22, 2011 7:48:05 AM

I've often wondered if this is actually necessary--or at least for how long. I've read conflicting opinions on this and was wondering if --as Dad has always told me-- it's important to warm up your car in the winter for a minute or two before driving.
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forestghost07
All-Star Author Miami

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Message Posted: Jun 4, 2013 6:07:21 PM

"people.. there is NO mechanical reason to "warm" your engine.

that is a holdover from the days of cast iron engines, craburettors, and less sophisticated oils.

even at well below zero, start, and move off at a moderate pace...Zero degrees F is common here,, never ever a problem with start and go...no waiting, no unnecessary pollution, no unnecessary waste of fuel"

Agreed - my '99 suv doesn't even know it's "cold" after a few sec of running. My old car needs 1 min of idle w/ manual choke to stabilize.
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MertieMan
Champion Author Lexington

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Message Posted: Jun 4, 2013 7:58:34 AM

With todays high tech vehicles this is absolutely NOT necessary. They warm up better if you drive them at a moderate speed for just a bit.
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PassmyGas
All-Star Author North Carolina

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Message Posted: Jun 4, 2013 7:21:16 AM

not needed
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TheRealDeal78
Champion Author Bakersfield

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Message Posted: Jun 4, 2013 4:31:57 AM

Nowadays it is not necessary. The only time I ever let my car warm up, is when I turn it on to let the AC cool off the car in the summer.
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ricebike
Champion Author New Jersey

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Message Posted: Apr 2, 2013 11:03:37 PM

only for passenger comfort
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ricebike
Champion Author New Jersey

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Message Posted: Apr 2, 2013 11:03:37 PM

only for passenger comfort
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aalix
Champion Author Orange County

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Message Posted: Apr 2, 2013 5:01:10 PM

Start vehicle, drive slowly for few minutes and then go.
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chuckl95453
Champion Author California

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Message Posted: Apr 2, 2013 11:15:31 AM

neighbor used to warm it up about 15 minutes.
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lloyd10977
Rookie Author Trenton

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Message Posted: Mar 31, 2013 8:58:26 PM

Engine designers have indicated that there is no reason to "warm up" late model engines beyond allowing the engine to idle until the engine rhythm stabilizes, then drive at a moderate rate for a few minutes. Idling longer is only a waste of fuel while driving actually warms the car and heating system faster.
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gougedQC
Champion Author Montreal

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Message Posted: Mar 31, 2013 8:52:19 PM

people.. there is NO mechanical reason to "warm" your engine.

that is a holdover from the days of cast iron engines, craburettors, and less sophisticated oils.

even at well below zero, start, and move off at a moderate pace...Zero degrees F is common here,, never ever a problem with start and go...no waiting, no unnecessary pollution, no unnecessary waste of fuel
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skh150
Sophomore Author Denver

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Message Posted: Mar 31, 2013 2:46:38 PM

yea
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Ryan456789
Champion Author Milwaukee

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Message Posted: Mar 31, 2013 1:22:51 PM

In colder temps, yes, but generally not for long.
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dontuknowOH
Champion Author Ohio

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Message Posted: Mar 30, 2013 12:58:00 AM

The important thing I always try to remember is; When any engine fires up at anytime from a cold start > meaning, referring to a completely cooled down non running ICE power source. Winter V/S Summer temps, especially very cold temps = ....

Remember > the area above each piston is being subjected to explosive extremely hot pressures similar to dynamite explosions coming close to temperatures of a cutting torch.

At that same time the oil condition temps on the lower side (inner area) of each firing cylinder under the piston and touching each one , those temps are or could be anywhere from -10 F >>>> commonly 50 F degrees or higher oil temps. Temps upward to 180+ F after normal operation occurs.

Saying each start-up from cold those extreme temperature differences exist at the fast moving piston areas from top to bottom of every piston while in high motion. Also at the inner cylinder walls/P..rings area.

More extreme temps then, >>> but similar to a block of ice with a propane torch burning under it only doing start/stop motion which is(hard to comprehend) for my thoughts. Motion like an electric sewing machine needle running on high pedal speed, Girls know about this I think anyway.... Done!
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sagnat
Champion Author Riverside

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Message Posted: Mar 22, 2013 5:19:31 AM

Warm it up while driving it easy until at operating temp. No need to let it sit and idle.
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bikergirlss
Champion Author Kansas

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Message Posted: Mar 17, 2013 3:16:27 PM

I usually "warm up" less than 1 minute, even with remote start
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panj
Champion Author Pennsylvania

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Message Posted: Mar 17, 2013 2:59:02 PM

i warm up the pontiac year round! remote start makes it easy.
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speedy700
Champion Author New Jersey

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Message Posted: Mar 9, 2013 12:22:25 AM

Nope...car actually warms up faster if you drive it since the engine is under load. Just don't accelerate too fast for the first couple of miles. My car has over 120k miles and runs great w/o burning any oil in between oil changes (every 5k miles) and has never sat there warming up. Well maybe on a few occasions when there was heavy frost on the windshield.
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djtigger
Rookie Author San Antonio

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Message Posted: Mar 8, 2013 10:57:27 AM

It's Always Important to Warm Up Your Vehicle, Whether It's Cold or Hot. Just Like A Hi Tech Printer, It's Got To Warm Up The Ink, Well In This Case Vehicle Talk, Got To Warm Up The Oil, In My Opinion.
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wintersucks
Champion Author Minnesota

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Message Posted: Mar 8, 2013 9:01:30 AM

Summer here in MN I just wait till the engine idles down and drive easy till temps increase. In winter it gets a few minutes, in the deep of winter with -10--30+ temps it sometimes gets more than 15 min and still isn't very warm. Temps where at stop lights it actually cools down and can't maintain temp. You can't just hop in and take off that cold. The fogged windows can be dangerous. Maybe we should hold our breath untill the engine warms up???
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rick_evans
Champion Author Boston

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Message Posted: Mar 1, 2013 6:48:16 AM

Warming the sitting car dates from the choke and carburetor days. We now have fuel injection and computers.

Driving conservatively for a few minutes while giving the radiator fluid time to move into the normal range has the same warming benefits.

As an aside I have a neighbor who warms his car 10 to 15 minutes whether its 19 or 91 degrees. Maybe he owns refinery stocks.
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OilerFan
Champion Author Tulsa

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Message Posted: Feb 28, 2013 7:40:32 AM

You just warm the engine enough to get the oil flowing well.
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eyegotgas2
Champion Author British Columbia

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Message Posted: Feb 28, 2013 7:18:07 AM

I start my car and warm it up if I have thick frost. Only had to do it a few times this year so far.
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xbAG
Champion Author California

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Message Posted: Feb 27, 2013 3:22:13 PM

No I don't pay attention.
the weather here ( central coast CA) never gets too cold.
maybe 32 degrees in the winter in the middle of the night.
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kylejetta13tdi
Rookie Author Michigan

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Message Posted: Feb 26, 2013 6:49:37 PM

Both my truck and car are diesels and I always allow them to warm up. Diesels run very noisy and low performance until up to temp.
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CptSteve
Champion Author Illinois

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Message Posted: Feb 26, 2013 1:02:12 PM

Only slightly. Super cold I would let it warm a bit more.
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BigHorne1
Champion Author Missouri

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Message Posted: Feb 26, 2013 9:17:42 AM

Seems like it, but your mpg will go down
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vikings80
All-Star Author South Dakota

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Message Posted: Feb 26, 2013 7:17:22 AM

yes
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IAMCANADIAN73
Champion Author Ontario

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Message Posted: Feb 26, 2013 2:11:30 AM

Yes
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IAMCANADIAN73
Champion Author Ontario

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Message Posted: Feb 26, 2013 2:11:21 AM

Yes
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hyeglenn
Champion Author Fresno

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Message Posted: Feb 25, 2013 10:58:46 PM

I do on cold days because I drive a diesel.
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blazingedge
Veteran Author Knoxville

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Message Posted: Feb 25, 2013 11:56:32 AM

Not letting your oil properly warm can damage your car. It will not be much damage but it builds up over time decreasing the longevity of the engine. Oil is like the blood of a car. Before the human body can use water in the blood stream, it has to warm it up.
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LKnight598
Champion Author South Carolina

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Message Posted: Feb 25, 2013 9:20:42 AM

I try to, but sometimes it's simply not practical.
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brihtniej
Rookie Author Minnesota

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Message Posted: Feb 20, 2013 12:14:53 PM

I dont have a temp meter on my dash. (would be usful if i did) but i hardly ever let my car warm up. I get in start it up and im off. Hope thats not bad for my vehicle
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dontuknowOH
Champion Author Ohio

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Message Posted: Feb 20, 2013 11:21:14 AM

30 seconds for the vehicle then go,I have heat detected as soon as the temp guage moves off the extreem Cold mark,more when it reached the low normal mark,time to switch blower to med/high mode at the upper vents.

Have aftermarket heated seat add-ons,hardly use them till the single diget weather arrives,on fabric OEM seats.Plenty of cabin heat after 180 seconds of driving moderate highway.
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gvan
Champion Author Chicago

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Message Posted: Feb 20, 2013 9:44:12 AM

I start my car and let it warm up as long as it takes to put my safety belt on and then go.
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chipote
Champion Author Washington

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Message Posted: Feb 13, 2013 12:18:44 AM

No, not necessary.
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WTM
Champion Author Philadelphia

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Message Posted: Feb 12, 2013 10:10:09 PM

If I start my car and wait only 20-30sec before driving off, my FE averages are higher, especially on short trips. If I start my car and allow it to warm-up for 5min before driving off, my FE averages are LOWER unless I'm driving longer distances(20-30mi).
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KnowledgeMI
Rookie Author Lansing

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Message Posted: Dec 24, 2012 3:53:30 PM

I let mine warm up for a minute. Its a 1990 vehicle so yeah.
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mst150
Champion Author Detroit

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Message Posted: Dec 24, 2012 12:02:34 PM

No, but I still do it out of habit.
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hornet17
Champion Author Vancouver

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Message Posted: Dec 24, 2012 10:21:10 AM

thing of the past with modern fuel injection.
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gougedQC
Champion Author Montreal

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Message Posted: Dec 24, 2012 9:05:25 AM

-13 C last night, brush off a dusting of snow, start and go.

warming up is unnecessary.
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jes
Champion Author Pennsylvania

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Message Posted: Dec 24, 2012 7:21:35 AM

If there's no ice or snow on it, start & go.
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OceanArcher
Champion Author Mississippi

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Message Posted: Dec 22, 2012 9:55:04 AM

I no longer do the "warm-up" thingy. Not necessary with today's engines
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WEDDY
Champion Author Phoenix

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Message Posted: Jan 2, 2012 9:55:20 AM

no, just start and go.
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gougedQC
Champion Author Montreal

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Message Posted: Jan 1, 2012 11:07:13 PM

absolutely not necessary with modern computerized, injected engines and with modern oils....-10C -20C...no problem.. start up, adjust your mirrors, buckle up and take off eh..

there are at least two other threads on exactly this subject,,,seems a bit redundant
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subarumanOH
Rookie Author Columbus

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Message Posted: Dec 31, 2011 3:33:39 PM

only when real cold out
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pinbuster2005
Champion Author New Hampshire

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Message Posted: Dec 31, 2011 6:23:10 AM

I've never warmed up any automobile I've owned. I scrape my windows to remove ice. I drive slowly for a couple of miles to let all the fluids in the automobile including the transmission warm up before hitting highway speeds. I have plenty of heat by the time I get a mile down the road. Also if there is going to be a snow/ice storm during the night I'll put a tarp over the cab of my truck that will cover all the windows so I don't have to scrape just brush the snow off the hood & tonneu cover. Plus I use synthetic oil in my automobiles.
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WhiteFord23
Sophomore Author South Bend

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Message Posted: Dec 29, 2011 11:54:44 PM

Its neccesary if you live in cold climate to remove ice from the windows
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Dennis783
Champion Author Des Moines

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Message Posted: Dec 28, 2011 8:39:26 AM

In this weather I always start it and let it warm up for my comfort (remote start is wonderful)!
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dontuknowOH
Champion Author Ohio

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Message Posted: Dec 27, 2011 2:01:23 PM

I can't speak for anyone but my vehicles,they don't fire up untill about the 3-5 compression stroke,that gives the engine 3 or more 360` crankshaft turns without a running load(combustion power).

This is plenty of time for the oil pump to deliver pressure to proper areas of bearing loads with a normal healthy engine before combustion pressures take place(engine running)..exhaust rumble... Modern engines are probably already pressure lubed while still on starter/cranking mode, before engine fires up.

Warming up is more associated with clear windows,a bit of cabin heat,clear mirrors,messing the frozen stuff away etc. Freeing wipers,stopping refrost is a cost to the fuel tank/you. Winter Trends, These do affect the modern vehicles also.
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