Question about Cars & Trucks
Just did a cylinder head job on my 05 Grand am. Got everything put together. Drove it two days and all of a sudden the temp gauge dropped to 100 and sits. Both fans are running full speed. I changed the Temp Sensor and the same is still happening. Thermostat is only 2 weeks old. Is there a fuse? Is it the Thermostat? Temp sensor? Any suggestions?
Sounds like a temp sensor or wiring problem.
You may only have one sensor for both the gauge and the engine computer.
If the computer temp sensor fails, or is not sending a signal to the engine computer, the fans will run as a precaution to keep the engine from overheating.
If you have replaced the correct sensor, it could be a wiring problem, or the engine coolant could be low enough to not touch the sensor.
If the coolant sensor is not sending a signal, the check engine light should also be on.
Posted on Apr 07, 2015
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Posted on Jan 02, 2017
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