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Junior Member
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Discussion Starter #1
Hi everyone. I'm new to the forum and have a few questions about my Terrastar. Great Truck but I have noticed the temp gauge keeps going from 180 to 220. Had a forced regeneration done today but did not help. If I'm going uphill with a load warning light comes on everytime. It is the triangle light. If I'm pulling a trailer i can hear cooling fan come on every 5 minutes or so. Any help would be greatly appreciated. Thanks in Advance. Forgot to mention once I slow down to 60 or so truck will stay at 190 degrees. Faster i go the hotter it gets.
 

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Junior Member
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323 Posts
Check to see if your cooling stack is clean and the condition of your coolant.
When driving on a flat, what temp are you holding? Should be around 190
 

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Junior Member
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Discussion Starter #4
Holding at 190 on flat road. Go uphill and beats up fast to around 220. Go downhill and cools off to 190 in a minute. Can't figure this one out.
 

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323 Posts
I just noticed your above mention of a forced regen. Your DPF could be getting clogged. What percent is it reading?
 
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