Author Topic: Can engine running a higher temp. than normal cause poor MPG?  (Read 1871 times)

Scotty

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Can engine running a higher temp. than normal cause poor MPG?
« on: November 18, 2011, 12:20:32 AM »
My water pump belt started slipping, and as a result the car is running hotter than usual temps.  I also noticed that since this happened, my MPG has been poorer than usual - could these two things be related? 
Please, please, please, let me get what I want. Lord knows it would be the first time.
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Southern_Pride

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #1 on: November 18, 2011, 10:23:53 AM »
Yes. The computer is adding fuel trying to cool it off.

s-10 maniac

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #2 on: November 19, 2011, 11:21:37 PM »
my truck runs cold as fuck.  1989 F150, coolant may not have ever been changed.  I attribute that to my shit poor mileage.

Southern_Pride

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #3 on: November 20, 2011, 10:25:23 AM »
Its an 89 f150. If you see double digitz your doing better than anyone I ever met.

angelis83lt

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #4 on: November 20, 2011, 05:39:09 PM »
To cold or two hot will cause it. My 2000 Grand Prix is lucky to get to the peg over 160 (the bottom peg) on the temp gauge during the winter. Makes for about 18-19 mpg.... on a 3.1. Probably due to it running cold.

MiniVanMan

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #5 on: November 20, 2011, 10:46:00 PM »
To cold or two hot will cause it. My 2000 Grand Prix is lucky to get to the peg over 160 (the bottom peg) on the temp gauge during the winter. Makes for about 18-19 mpg.... on a 3.1. Probably due to it running cold.

To cold or two hot will cause it.

Not trying to be a dick, but i lol'd that you used two different words and still didn't get the right one :lol:

angelis83lt

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Re: Can engine running a higher temp. than normal cause poor MPG?
« Reply #6 on: November 20, 2011, 10:52:31 PM »
Not trying to be a dick, but i lol'd that you used two different words and still didn't get the right one :lol:

I can thank my auto-correct for that.  A bit tired today. Although if we went through the posts on the site, we probably would have a ton of laughs lol