How long can you keep an engine block heater plugged in? - Ford Powerstroke Diesel Forum
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post #1 of 30 Old 09-15-2011, 03:09 PM Thread Starter
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Question How long can you keep an engine block heater plugged in?

Winter is headed this way, so I was wondering how long can the block heater be plugged in, without running the truck, and not hurt anything? I don't plan on doing this, mostly wondering. I plan on plugging it in before I know I'll be using it, and leaving it to to the elements otherwise. It just seems that keeping it plugged in for extended times has to hurt something.
Mine is not a daily driver, mostly weekends, so I know there are others out there like me.

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post #2 of 30 Old 09-15-2011, 03:11 PM
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Mine is a daily driver but when it gets cold i leave plugged in all night

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post #3 of 30 Old 09-15-2011, 03:12 PM
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I leave mine on over night. I need to try a timer. Most reports I read say 3-4 before use is all you really need.


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post #4 of 30 Old 09-15-2011, 03:17 PM
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did mine all night. also gonna try a timer

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post #5 of 30 Old 09-15-2011, 03:27 PM
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I plug mine in all winter when she's sitting at home. Wont hurt anything.

Jason

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post #6 of 30 Old 09-15-2011, 03:27 PM Thread Starter
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Thanks for the replies. I typically plug mine in the night before I use it. But, I was really wondering, can you leave it plugged in for days or longer at a stretch. I have not done this, don't want to, just wondering.

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post #7 of 30 Old 09-15-2011, 03:46 PM
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Short of the heating element failing (after thousands of hours of use?) and you having to pay the electric bill I don't see a problem with it. The timer kicking on about 3-4 hours before you need it is the hot trick. Pun intended.

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post #8 of 30 Old 09-15-2011, 03:50 PM
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a few days wont hurt, and you will become one of the favortie customers at your electric company

mines on a time for 3-4 hours before start


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post #9 of 30 Old 09-15-2011, 03:51 PM
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Quote:
Originally Posted by mustangman02232 View Post
a few days wont hurt, and you will become one of the favortie customers at your electric company

mines on a time for 3-4 hours before start
My bill never moved, and the truck was usually plugged in 12-14 hours a day....

Jason

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post #10 of 30 Old 09-15-2011, 03:53 PM
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Never noticed a change in my electric bill and I leave mine over night. Also, at 20 degrees outside and the glow plug relay not working, it only took mine about 30 minutes to warm up enough to crank my truck.

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