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post #1 of 6 (permalink) Old 07-11-2007, 10:28 PM Thread Starter
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Default 2001 can't take the heat?

prius engine (ice) refused to shut down when stopped
or coasting for a good part of the day.
the temperature reached 40 degrees (104)

is this supposed to happen?
engine overheating maybe?

no a.c. on at the time (hardly used at all actually)

ps. what happened to the greenhybrid graphic?
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post #2 of 6 (permalink) Old 07-12-2007, 10:17 AM
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Default Re: 2001 can't take the heat?

Quote:
Originally Posted by av_in_bc
prius engine (ice) refused to shut down when stopped
or coasting for a good part of the day.
the temperature reached 40 degrees (104)

is this supposed to happen?
engine overheating maybe?

no a.c. on at the time (hardly used at all actually)

ps. what happened to the greenhybrid graphic?
104 is isn't hot!

We have been over 115 every day for weeks, but is now cooling down to around 106 as the monsoons move in here in Phoenix.

I've had no problems with my 2002 or my 2004 Prius cars.


~Jerry~
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post #3 of 6 (permalink) Old 07-13-2007, 03:32 PM
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I have a 2001 Prius and this is rare, but not unusual. If you see this routinely, then something may be up. Monitor the battery flow in the energy screen. Most of the time the engine is running when stopped is due to recharging the battery. See if this is the case by looking at the battery symbol and seeing if the green level is lower than usual. In hot weather there may be Battery ECU limits to how fast the battery is charged. The next most likely reason is a pollution control system may need the engine running.

2001 Prius/2007 Prius
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post #4 of 6 (permalink) Old 07-14-2007, 11:09 AM Thread Starter
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battery levels were fine.
it has not happened again and temperatures are back to normal.
40? is unusual around here.
the only thing i noticed is that i could hear the battery fans from
inside the car and i can't hear it normally, especially over the
sound of the engine.
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post #5 of 6 (permalink) Old 07-14-2007, 03:56 PM
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Quote:
Originally Posted by av_in_bc
the only thing i noticed is that i could hear the battery fans from
inside the car and i can't hear it normally, especially over the
sound of the engine.
Maybe not using the A/C was the culprit. Remember, the battery works best when it isn't hot too. The fact that you could hear the fans means it was trying to cool the battery. Perhaps it decides to not rely on the battery if the temp gets too high. If the A/C was on, it woud have been cooling the battery as well and it may have worked more normally.
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post #6 of 6 (permalink) Old 07-15-2007, 10:54 AM
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The battery fan on is your key clue. Having that running after I get out of the car is rare (and I'm obviously in Florida). However, it rarely exceeds 100F here and you were even hotter.

2001 Prius/2007 Prius
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