Thermostat Question
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Freshman User
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Thermostat Question
I purchased my 06 Super Duty diesel pickup in Arizona, new. Moved to South Dakota and have had issues with the truck warming up. Even in summer, have to warm up for 5-8 minutes before driving it and in winter, even with the block heater plugged in, takes about 30 min of idling to be able to drive without truck acting like its missing. Is there a difference in thermostats used in vehicles purchased in different parts of the country? Im thinking my problem could be related to the termostat opening to soon, not allowing the coolant to heat up properly. Any ideas?
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Joined: Aug 2003
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From: Isanti, MN
I think it's likely that something is wrong other than the thermostat. You should be able to start your truck up in 10° weather after sitting for weeks and drive down the road without it running badly. Sounds to me like you're having injector stiction, but I'm certainly not the expert.
I'm going to send this one down to the 6.0L Powerstroke forum.
I'm going to send this one down to the 6.0L Powerstroke forum.
Hotshot
Joined: Jul 2005
Posts: 13,834
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From: Middle Tn.
You also and first need to check the ficm voltage key on, key on cranking and key on running. Should never be below 47 volts. What type of oil and filters are you running. Only OEM filters for the fuel and oil. When cold try 5w40 oil. I run it year around. The truck likes it.
Posting Guru
Joined: Nov 2012
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While thermostats are the same you may need to have your truck pcm recalibrated to the different environment it is living/working in. Thats a pretty big jump in both operateing temps and altitude depending on where in s.dakota.
Check with ford.
Check with ford.
Elder User
Joined: Jul 2012
Posts: 834
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From: tonopah, az
What kind of oil are you running? If you are from AZ like i am you would have been running 15-40. Did you change to a 5-40 for the colder weather?
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Hotshot
Joined: Apr 2010
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From: Saratoga Springs,UT
Start with Batterys Alternator and FICM
You have a Problem
I dont even Plug in and Can Take off in 10 minutes and Be OK No Miss at Like 32*f
It Not GP cause you dont Complain about the start
30 minutes and still have a Mis is a Problem
You have a Problem
I dont even Plug in and Can Take off in 10 minutes and Be OK No Miss at Like 32*f
It Not GP cause you dont Complain about the start
30 minutes and still have a Mis is a Problem
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