Coolant temp sending unit/sensor mine was reading wacko changed the unit still wacko any more ideas. Please


Asked by jedd47 Mar 01, 2013 at 01:06 PM about the 2000 Buick LeSabre Custom

Question type: Maintenance & Repair

2 Answers


It could be that the wrong voltage is feeding the gauge. It could be that the sending unit is seeing air and that is causing erratic readings.

1 out of 1 people think this is helpful.

The gauge was working fine. All of a sudden it was reading cooler then normal then a little hotter then normal now the gauge is at 5oclock when its at normal running temp

2 out of 2 people think this is helpful.

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