Warming up Supra

Warden0204

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I’ve heard it’s not good to warm up the Supra in the winter, but can’t find that in the manual. Anyone know if this is true? If true, what damage will it cause?




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JAhmed

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Wait for the idle to drop and get moving. Unfortunately this car doesn’t have an oil temp gauge, which is frustrating.
 

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Wait for the idle to drop and get moving. Unfortunately this car doesn’t have an oil temp gauge, which is frustrating.
It actually does have an oil temp gauge, hold the trip reset button for like 20-25 seconds, go into unlock mode, add up the last 6 of your vin, boom, you'll unlock a secret menu and it shows all of that, also how you go into dyno mode.
 

JAhmed

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It actually does have an oil temp gauge, hold the trip reset button for like 20-25 seconds, go into unlock mode, add up the last 6 of your vin, boom, you'll unlock a secret menu and it shows all of that, also how you go into dyno mode.
I know, but thats super annoying LOL
 
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Warden0204

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Modern cars, especially European ones have since long ago advocated starting and driving right off as the best way to properly warm all fluids at the same time.
Hmmmmm... you would think it would be addressed in the manual 🙁
 

Xxyion

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Hmmmmm... you would think it would be addressed in the manual 🙁
I dont think warming up the car is necessarily bad hence why nothing is said in the manual.

Like sure maybe its not ideal, however i cant imagine it being actually bad for the car.

Its possible that what people are trying to avoid, is "warming up" (waiting for temp gauge to hit middle) and then just ripping it. A lot of other fluids (transmission for one) arent warmed up yet since the car isnt moving and doing hard fast shifts on cold fluid may not be ideal.
 

Dannyvandelft

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I’ve heard it’s not good to warm up the Supra in the winter, but can’t find that in the manual. Anyone know if this is true? If true, what damage will it cause?
It's not good to warm up any car idling. It's best to get in, get yourself situated, seatbelts, music, whatever, and go. Keep the load on the engine low until the coolant gauge reaches optimum temperature. There's no oil gauge, because it isn't important. Oil works at any temp. Coolant gauge is a good indicator for when your engine is at operating temp.
Warming up while driving means everything in the car heats up together. Engine, transmission, diff, you name it. Idling in the driveway just warms up the engine, and nothing else.
Warming up while idling was a thing back in the carburetor days.
 

TimM.

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Absolutely no harm in allowing your Supra to warm up before driving away. However, it’s not great for the environment, and environment is what that mis-understood advice is aimed to protect, not your Supra.
 

jchadwell

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It actually does have an oil temp gauge, hold the trip reset button for like 20-25 seconds, go into unlock mode, add up the last 6 of your vin, boom, you'll unlock a secret menu and it shows all of that, also how you go into dyno mode.
Do you have to complete this process every time you want to access this menu or is it always available after unlocking?
 

65sohc

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I've monitored oil temp using my MHD app. Oil temp correlates quite closely with the dash temp gauge. Once that gauge registers four bars oil and water are at operating temp. The comment above about warming the engine up in the driveway harkening back to the days of carburetors is absolutely true. The rule of thumb has always been: once the car is able to move under its own power be on your way and treat like a baby until the fluids and head/block are up to temp. You're not doing the car any favors by letting it idle and you are, in fact, slowing the warmup process.
 

Lilchief

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So in summary... does it hurt or doesn’t hurt the car letting it does sit there and idle? Or it really doesn’t matte?
 

65sohc

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In the grand scheme of things it only matters philosophically in that it is a pointless endeavor.
 

Rocksandblues

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It's not good to warm up any car idling. It's best to get in, get yourself situated, seatbelts, music, whatever, and go. Keep the load on the engine low until the coolant gauge reaches optimum temperature. There's no oil gauge, because it isn't important. Oil works at any temp. Coolant gauge is a good indicator for when your engine is at operating temp.
Warming up while driving means everything in the car heats up together. Engine, transmission, diff, you name it. Idling in the driveway just warms up the engine, and nothing else.
Warming up while idling was a thing back in the carburetor days.
Oil comments are completely wrong
 

DesmoSD

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Modern cars, especially European ones have since long ago advocated starting and driving right off as the best way to properly warm all fluids at the same time.
This topic has been beaten to death on Rennlist. The main reason why the manual states to drive immediately is because it's illegal for cars to idle in Germany; hence why German cars have the engine shutoff feature. Most wait until the fuel enrichment idle to drop then start to drive under 4K rpm until the oil temp has reached 200 degrees.

https://www.stuttgartcitizen.com/ann...ar-is-a-no-no/

SPANGDAHLEM AIR BASE, Germany --Letting your engine run idle in the morning is a German traffic law violation in Germany. Over the colder winter months, many people like to turn on their vehicles in the morning, letting the engine run idle. Some people even enjoy going back into the house for a quick cup of coffee, while the engine is running, returning minutes later. In some cases, vehicle owners like to keep the engine running for a few minutes, while scraping the windows. Granted, it may be nice to enter a warm car on a cold winter day, but, unfortunately German law doesn't allow letting engines run idle and people may get fined.

Paragraph 30 of the German Traffic law order states that unnecessary noise and exhaust, coming from vehicles are to be avoided, just like slamming car doors or unnecessary cruising through a closed community, if it becomes an annoyance to residents.

In order to be good neighbor in your host country, base members, residing off base should leave their car engines off in the mornings, until shortly before departure.
Letting your engine run idle is against the law and bad for the environment.

https://www.spangdahlem.af.mil/News/...re%20departure.
 

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