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This is a discussion on can prius be overheated? within the Gen II Prius Main Forum forums, part of the Gen II (2004-2009) Toyota Prius Forums category; is it possible ? howcome they don't have a temp meter? thanks...


can prius be overheated?

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Old 11-13-2007, 12:55 AM   #1
sea-horsea
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is it possible ? howcome they don't have a temp meter? thanks
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Old 11-13-2007, 01:07 AM   #2
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<div class='quotetop'>QUOTE(sea-horsea @ Nov 13 2007, 12:55 AM) [snapback]538751[/snapback]</div>
Quote:
is it possible ? howcome they don't have a temp meter? thanks
[/b]
Yes but like any other modern car something needs to be wrong for that to happen.


Towing <which the Prius is not designed for> or a cooling system failure or blockage could cause overheating. Running the car full throttle with 110 degrees outside should not overheat your Prius as it is designed for use in AZ. Grill blocking in the summer could set it over the edge easily. So keep your Prius in good condition and it should not happen.


PS - the battery pack can become overheated and will provide little or no boost. This is also not common.

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Old 11-13-2007, 02:22 AM   #3
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<div class='quotetop'>QUOTE(hampdenwireless @ Nov 13 2007, 01:07 AM) [snapback]538758[/snapback]</div>
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Yes but like any other modern car something needs to be wrong for that to happen.
Towing <which the Prius is not designed for> or a cooling system failure or blockage could cause overheating. Running the car full throttle with 110 degrees outside should not overheat your Prius as it is designed for use in AZ. Grill blocking in the summer could set it over the edge easily. So keep your Prius in good condition and it should not happen.
PS - the battery pack can become overheated and will provide little or no boost. This is also not common.
[/b]
I understand that cooling system might malfunction since it happened to my old car a couple of years ago...what i am curious is why they don't have a temp. meter to give a heads up for the driver?

now i am nervous...the last time my cooling sensor broke i was on the way back to L.A from colorado and i had to leave the heater on all the way back....and it was in the summer !!! but then at least the temp. meter told me the current temp. and I could monitor it from there....now i have no way of tracking the temp. of the car..either i am safe or i am dead...
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Old 11-13-2007, 03:00 AM   #4
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Unfortunately the Prius doesn't seem to have many meters at all.

If you want some diagnostic measurements, you have to get something
aftermarket.

But I'm sure your car will give you a great big warning triangle and
exclamation point if something goes wrong. And, as the manual seems
to be fond of saying (when it decides to talk, that is), if you see the
triangle, pull over and call someone to fix it.

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Old 11-13-2007, 06:53 AM   #5
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Like alot of cars the Prius has an idiot light if the engine overheats. See the owners manual for the instrument cluster display it will show you the light.
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Old 11-13-2007, 07:28 AM   #6
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Many have purchased a ScanGauge to provide the ability to monitor a variety of engine parameters, including ICE temperature.
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Old 11-13-2007, 09:23 AM   #7
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<div class='quotetop'>QUOTE(sea-horsea @ Nov 13 2007, 01:22 AM) [snapback]538773[/snapback]</div>
Quote:
now i am nervous... [/b]
<div class='quotetop'>QUOTE(JimboK @ Nov 13 2007, 06:28 AM) [snapback]538809[/snapback]</div>
Quote:
Many have purchased a ScanGauge to provide the ability to monitor a variety of engine parameters, including ICE temperature. [/b]
That's exactly what I was going to say.

You can either drive your car with an unrealistic constant concern of overheating or buy a scangauge and watch the engine temp yourself.
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Old 11-13-2007, 09:55 AM   #8
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It seems to me like the cooling system on the Prius is a little bit excessive for the tiny engine. If people can fully block their radiators in 70-degree temps, clearly the radiator is too large.

I don't worry about overheating.....if it overheats, the car will tell you via the displays.
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Old 11-13-2007, 10:37 AM   #9
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Did anyone see a master caution because of over heat?
I've never heard of it.

<div class='quotetop'>QUOTE(sea-horsea @ Nov 13 2007, 04:22 PM) [snapback]538773[/snapback]</div>
Quote:
now i am nervous...the last time my cooling sensor broke i was on the way back to L.A from colorado and i had to leave the heater on all the way back....and it was in the summer !!! but then at least the temp. meter told me the current temp.[/b]
It's not caused by a bad cooling sensor, but a thermostat.

A good Prius driving is how much we can coast, which means the Prius engine is easy to be cooled down, then we need some material to block the grill.

I believe we do not have to worry about over-heating but over-cooling.

Ken@Japan
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Old 11-13-2007, 10:59 AM   #10
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you get master warning light when inverter overheats, but not when the engine overheats, you only get that fancy red coolant light on the gauge cluster
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