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P0116 Diagnostic Trouble Code Discussion for December 2010

Engine Coolant Temperature Sensor Performance

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Trouble Ticket Help Requests for DTC P0116
Help Request Posted
2005 GMC Yukon XL 2500 SLE 6.0L MIL Lamp on VIN: 3GKGK26U05
P0116: ECT Sensor Performance. OK, right after Christmas and my hair is being pulled out. This vehicle has been here 4 times with this exact same code. The first time the coolant was low due to a leaking water pump. The next time we installed a new coolant temp sensor. Last time we replaced...
December 27, 2010