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Bgelmore

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I have this code after changing spark plugs and a couple coil packs. The misfire cleared fine but this code P1056 “Inactive Coolant Temp Sense” came on. The temp gauge is working. If I unplug the sensor in the front at the water neck the gauge goes dead. Is there another sensor that I may have unplugged? Please not under the upper intake. There are some threads about one in the back of the left head but those are for a 2013 and I can’t see one there on this one.
 
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