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Old 08-11-2019, 11:26 PM   #2 (permalink)
pj951
Self Ignition
 
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Join Date: Jun 2005
Location: N.Ca
Posts: 80

I installed new thermostats last weekend as a part of other work. Mine now does the same as yours. Old one(s) was defective, even threw a code once in a while. Truck now indicates 205 on the instrument cluster all the time, running empty. Haven't towed yet. It used to run much lower.

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2005 GMC Sierra 6.6 WT 2WD. 540k miles

Last edited by pj951; 08-11-2019 at 11:27 PM.
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