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  #1  
Old 03-17-2011, 05:20 AM
chyzdad chyzdad is offline
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Default Is this normal???

I have had the truck for a bit now...and now that the weather here in Florida has been getting warmer I was wondering if this is normal for a ranger.


My temp gauge hardly ever moves and when it does it never gets to what I would think is the avg. operating temp. Should it be sitting some where closer to the middle of the gauge?

Now the next question is .... If it runs cool like this would it cause me to use more gas than normal?
When I took the pic u can see the fuel lvl....well I only have 192 miles from fill up at that point on the fuel gauge.
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Old 03-17-2011, 05:37 AM
Maritime Storm Maritime Storm is offline
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Default Re: Is this normal???

Sounds like your due for a Thermostat.
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Old 03-18-2011, 04:07 AM
crowdpleazer crowdpleazer is offline
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Default Re: Is this normal???

check your coolant level and maybe put a new thermostat in. they only cost a couple dollars so they're not worth messing with
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Old 03-22-2011, 07:22 AM
Badmotorfinger1 Badmotorfinger1 is offline
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Default Re: Is this normal???

I agree. I think your thermostat is stuck open.
Yes, you're burning a bit more fuel to help bring the engine up to temperature but probably not enough to notice a difference in MPG.
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Old 03-22-2011, 08:25 AM
FireRanger FireRanger is offline
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Default Re: Is this normal???

Actually not being at operating temp could cause a huge decrease in MPG among other performance issues. 95% of the time, it is stuck open thermostat.
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Old 03-22-2011, 08:41 AM
terryduanemiller terryduanemiller is offline
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Default Re: Is this normal???

thermostat could be stuck, but its unlikely...
RANGER SCIENCE= if heater core is clogged (which is very common on rangers) the exiting coolant passes over temp sensor giving the reading...
clogged heater core= low reading...
remove heater core hoses at heater core and flush the core in both directions with water hose..
and it's free and easy, always start simple.. if it's not the issue, then try a new stat, b sure and buy t-stat housing O-ring gasket, it does not come with one
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Last edited by terryduanemiller; 03-22-2011 at 08:45 AM.
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Old 03-22-2011, 09:36 AM
FireRanger FireRanger is offline
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Default Re: Is this normal???

Actually that's not true. If it was, then the gauge would drop every time you turn the HVAC to off or max AC. The sensor is not dependent on outflow from the heater core at all. Whoever told you that is mistaken. It is not inline with that.

It remains to be, most likely, a stuck t-stat as it is in nearly every case of this happening. The second leading cause is a worn out impeller on the water pump causing poor circulation.
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