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Old 01-20-2020, 01:53 PM   #129 (permalink)
redpoint5
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Join Date: Aug 2010
Location: Oregon
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Acura TSX - '06 Acura TSX
90 day: 24.19 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 26.68 mpg (US)

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Quote:
Originally Posted by MetroMPG View Post
If you completely shut down the car before hitting 130 F and powered up again, would it re-fire? Or would it think the coolant is just cooling down from the last time the engine was used, and leave it alone?

I tried stopping/rebooting twice on today's trip, and it didn't make any difference -- engine re-fired each time, and it was definitely at full operating temp before the 2nd reboot.
If I turned off the HVAC or set it to the lowest setting, then it would not fire up the engine upon restart.

Any chance it was a scheduled engine run? I know the Volt will run the engine every so often if it hadn't run recently.
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