i have a 1994 cutlass supreme the low coolant light comes on aand off but the coolant is not low. what could possibly the reason?

Asked by Oct 20, 2012 at 04:04 PM about the 1994 Oldsmobile Cutlass Supreme 4 Dr S Sedan

Question type: Maintenance & Repair

3 Answers

8,695

there is a SENSOR, that determines the level of coolant IN THE RADIATOR, keep in mind, that because the reservoir or radiator seem full, a blockage can prevent flow, are you having over heating issues?

3 of 3 people found this helpful.
85

just to add to what John said about the blockage, be sure to assess that ASAP, because those 60* V6s love to fry headgaskets. if theres not a blockage, than just replace the sensor or if you are willing to check it often just disconnect the wire to eliminate the light

3 of 3 people found this helpful.
3,865

I had a '94 Bonneville that did that. I discovered debris blocking the tube that goes from the rad to the overflow cannister. Cleaned it out and never had the problem again.

3 of 3 people found this helpful.

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