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Discussion Starter · #1 ·
I skimmed through the manual and I dont think I saw anything about 'warming up' the engine in the morning.

I have heard before that cars only need a minute or so to get all the fluids worked around. Does the tC require any specific 'warm up' procedure when it first starts for the day?
 

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Leaving a car idling for an extended period of time is notoriously bad for a car's engine. Like zesmitoda said, take it easy on the gas, brake, and even the steering wheel, until the various fluids have had time to make their way around.
 

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The manual says the best way to warm it up is by driving it... thats all it says.

I would add don't race it & treat it like a baby until it gets warm.


If I didn't look it up my Wife would sit out there for 5 min letting it warm up before she drove it... drives me nuts when I am with her.
 

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I've seen things all over the internet suggesting a warmup time of a minute, but no more. I've always let it run a few seconds (like, 30 -- the time it takes me to get situated) before driving off.

From Scion Chat:

Marty: First, does our tC need to be warmed up on cold mornings before driving?
Marty: As in, should I let it sit idling for a minute or more to let it get warm?
Dave: I am looking over the owner's manual.
Marty: Thank you.
Dave: According to page 165 of the owners manual you should let your car run until it is running smoothly before driving off.

I stand somewhat corrected. I guess it's never been much of an issue for me, having lived in the deep south my whole life. What I was thinking of was the people who leave their cars running in their driveways for 15 minutes every morning.
 

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Discussion Starter · #7 ·
Well it will be getting below 0 degrees for me this winter.

Any clue on what exactly 'running smoothly' is when the car is idling? As far as I can tell its ALWAYS running smoothly
 

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Yes. Which to me means it doesn't require any significant warmup time.
 

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here's what i've heard on this situation, its a combination of everything already said.

don't drive the car right after a cold start. if you compare the sound of your engine right when you start in in the morning and the sound of your engine about a minute after you warm it up, they sound different. the first one is much louder, and the second one is much smoother. either way, driving a cold engine hard is the worst thing you can do to your car.

BMW guages have a "variable" redline, where after a cold start, the redline almost fills up the whole guage you're not supposed to go past this point. i would say you can start driving within a minute, depending on weather conditions etc. as you drive below this redline, your engine gets warmer and the redline begins to disappear. in other words, you can drive your car at higher rpms.

i normally start my car, open the garage, grab my stuff, throw it in the trunk, get settled in, and leave. at this point the temperature guage has already begun to rise and the engine idles under 1k. by the time i get to the freeway, my engine is fully warmed up and i can drive normally.

hope this helps!
 

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Originally posted by integsrtite@Oct 14 2004, 02:25 PM
either way, driving a cold engine hard is the worst thing you can do to your car.
The key word in that sentence is "hard."
 

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you are all right. that little blue light on you dash, consider it a "don't go racing that RSX" light. drive and be nice to the car.... and really the light goes out pretty quick anyway.
 

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Originally posted by integsrtite@Oct 14 2004, 02:25 PM
i normally start my car, open the garage, grab my stuff, throw it in the trunk, get settled in, and leave. at this point the temperature guage has already begun to rise and the engine idles under 1k. by the time i get to the freeway, my engine is fully warmed up and i can drive normally.
Since it's about 40 degrees now every morning (gotta love that NY weather), it depends on the weather conditions in terms of how long you should warm the car up. If it's -15, obviously it will take a bit longer for the car to warm up. What I usually do is wait the RPM needle to drop below 1000 rpm's and also on the engine temperature gauge, the needle goes up to the first bar....dunno if I'm describing this correctly, and that's when I know the car is warmed up. I start out driving normally, not hard, and depending on traffic I may bring it up a notch after the engine's fully warmed up. It usually takes about a minute or so, and this is the way my Pop's been doing this for years, and I'll continue the tradition.
 

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Originally posted by moriarty@Oct 14 2004, 02:53 PM
you are all right. that little blue light on you dash, consider it a "don't go racing that RSX" light. drive and be nice to the car.... and really the light goes out pretty quick anyway.
what little blue light.....did I miss something?
 

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The rpms will be around 1500 when you start your car. I would let them get to about 1100 (takes less than a minute).
 

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Originally posted by whosthatrussian+Oct 14 2004, 11:01 AM-->QUOTE (whosthatrussian @ Oct 14 2004, 11:01 AM)
<!--QuoteBegin-moriarty
@Oct 14 2004, 02:53 PM
you are all right. that little blue light on you dash, consider it a "don't go racing that RSX" light. drive and be nice to the car.... and really the light goes out pretty quick anyway.
what little blue light.....did I miss something? [/b]
That's what I was wondering lol. What, does the car have a "Look, bitch, I'm freakin' cold!!!" light?
 

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Originally posted by zesmitoda+Oct 15 2004, 04:30 AM-->QUOTE (zesmitoda @ Oct 15 2004, 04:30 AM)
Originally posted by [email protected] 14 2004, 11:01 AM
<!--QuoteBegin-moriarty
@Oct 14 2004, 02:53 PM
you are all right. that little blue light on you dash, consider it a "don't go racing that RSX" light. drive and be nice to the car.... and really the light goes out pretty quick anyway.

what little blue light.....did I miss something?
That's what I was wondering lol. What, does the car have a "Look, bitch, I'm freakin' cold!!!" light?[/b]
oh, snap, I was thinking about the light on the xB and the xA, sorry. Here is a bit if information that may help you out.
Originally posted by scion tC owners manual page 160+-->QUOTE ( scion tC owners manual page 160)
Normal starting procedure
The multiport fuel injection system/sequential
multiport fuel injection system in your
engine automatically controls the proper
air–fuel mixture for starting. You can start
a cold or hot engine as follows:...
...Engine should be warmed up by driving,
not in idle. For warming up drive with
smoothly turning engine until engine coolant
temperature is within normal range.[/b]
Originally posted by scion tC owners manual page 161@
 Do not race a cold engine.
<!--QuoteBegin- scion tC owners manual page 90

Engine coolant temperature
gauge
The gauge indicates the engine coolant
temperature when the ignition switch is
on. The engine operating temperature
will vary with changes in weather and
engine load.
take that as you will.

in addition to this information, there is alot of good winter/cold weather tips on pages 160 - 163 in the owners manual as well.
 

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Nice post!
 

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okay, so this morning i guess it was cold enough for my engine not to idle right under 1, as it rained the previous day. newayZ when i started my car it idled at liek 2k, i was freaked out, so i guess thats just normal until it idles toa normal, but what do you guys idle at, ive been getting a very stable idle at like 750, which is weird cuz i usualy idle at like 800 or 900 which is sort of scaring me
 
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