Why does my low coolant light come on even though there is plenty of coolant?

What is your question?

The light only comes on when I first start up, then goes off, but sometimes comes back on after I've driven for over 30 minutes.

snickdoo in Manhattan KS

Sep 9, 2016

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Why does my low coolant light come on even though there is plenty of coolant?

What is your question?

The light only comes on when I first start up, then goes off, but sometimes comes back on after I've driven for over 30 minutes.

snickdoo in Manhattan KS

Sep 9, 2016

1 Reply

Popular Answer

mdl399on Nov 23, 2016

I was told it was a wiring harness that goes around the bottom of the radiator. It rubs the radiator and causes bare wire and corrosion. If not in might be the sensor on the passenger side of the radiator. Mine is doing the same thing.

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.