Front Grille Cover
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Elder User
Joined: May 2010
Posts: 691
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From: Ohio
Perhaps the computer might still believe the engine isn't fully
"warmed up" and you might have lower fuel mileage? That was my main reason for doing it but well see how much hotter it runs.
"warmed up" and you might have lower fuel mileage? That was my main reason for doing it but well see how much hotter it runs.
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Elder User
Joined: May 2010
Posts: 691
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From: Ohio
Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
But running down the road 20 miles. ECT 188, EOT 198. How can my deltas be so far off now but in the summer within 3 deg ? I was told that operating temp. was 190 to 210. If I cant get to operating temp. how can I check them? I'm not trying to be argumentative I just thought the temps should be at-least in the 190s.
Mountain Pass
Joined: Aug 2012
Posts: 249
Likes: 0
From: Boise, Idaho
I guess as long as its not hurting anything, there are too many variables going on here right now.. the 6 degree temps in Boise, and a new FICM which I hear with the new flash already drops the MPG. I am getting about 2 less than I normally was.. I just got my SGII so I am trying to figure out what my truck is supposed to do and what it is doing. Thanks for all the help.
Logistics Pro
Joined: Jan 2010
Posts: 3,554
Likes: 6
From: Mesick
Courtney, my feelings are that $23 for a new OEM thermostat are well worth it. I have just received updated strategies for the PCM, TCM, and FICM. My truck is getting better fuel mileage, runs smoother and ECT is running closer to the magical 192*, but not quite there. 185*-189*.
Air temperature is 13*F here.
Air temperature is 13*F here.
Logistics Pro
Joined: Jan 2010
Posts: 3,554
Likes: 6
From: Mesick
I also replaced my ECT & EOT sensors to make sure I was getting the proper readings. You don't need to do that, but it reassured me that I wasn't getting false readings. Now I have spare sensors!
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Logistics Pro
Joined: Jan 2010
Posts: 3,554
Likes: 6
From: Mesick
I haven't worried about mine. No towing until this summer for me. Hopefully someone jumps in and answers that for you. My temperature has never been above 160* so far.
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