Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
I am sorry your having this problem
what does the temp gauge read in the dash for temp when this message is displayed ?
ok thank you for that information
99 % of the time when these trucks do what your si doing with a brand new 2 wire engine coolant temp sensor installed this issue comes down to the connector itself where internally in the connector where the wires are crimped to the terminals are bad OR one of the 2 wires from the sensor connector to the computer is bad or damaged
but the odds are replacing the sensor connector and shrink wrapping in the new 2 wires that come with the new connector into the existing wires one at a time so you do not mix up the wiring will correct this issue
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how are you making out ?