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I have a 98 chev lumina 3100 engine, after warning engine for a few minutes car is not throwing any heat. when engine is under load temperature gauge climbs very fast to hot. I checked coolant is full.
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Lumina V6, 2000 model after starting 5 to 6 mins temp gauge goes up slowly. Cooling fan is on. Coolant ok. If stopped the car and started again gauge needle comes down quickly to normal and then runs normal at any speed. It happens only first starting. I am suspecting temperature sender malfunction. Could not see the temp switch position to check its connection.On earlier models it is located directly under the thermostat. But if its bad it should throw a code making your check engine light come on. Sounds more like a thermostat problem. Even if its a new one they can fail.
CarGurusAug 20, 2014 - Also as my temperature gage rises but car does not overheat. ... tempneedle gets up towards the red mark while you're driving, then yes, ... i have a 2006Pontiac Grand prix and my temp. goes up to the ... crzgrl637 answered 6 months ago ...the cooling fans won't kick on then you will see gauge over heat.
No. The temp sensor gives data to the computer and for the warning light or gauge on the dash. If the heater is not working, it could be from low coolant, a faulty thermostat, or problems with the heater core.
I had a similar problem. Is your temperature gauge pegged to the right as very hot? Or reads always cold, even when hot. If it is a 3100 motor their is a coolant temperature gauge sending unit under the air breather intake that is right next to where you replace the thermostat.
Get a haynes repair manual at a parts dealer, Amazon, or your public library. On the Chevrolet Lumina, Monte Carlo, & Impala FWD 1995 to 2005 it's under section 3-8 on page 3-6. It goes into great detail, and it's too complicated to explain here. If your sensor is bad, but the wires and fuses are good then the fans won't run.
Your second fan only runs when the air compressor is turning, If your ac compressor is not running then the sensor will not have the passenger fan run. You have to see if the fan motors are good and then the wiring is good, and no fuses blown. You might blow fuses so have extra blue ones if I remember right. Recheck fuses after testing.
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