Question about 2002 Pontiac Grand Prix

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Why does my low coolant light stays on - 2002 Pontiac Grand Prix

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Maybe 2 reasons. 1. bad sensor that needs changed and 2. may need intake manifold gasket changed especially if this is or has been an intermittent problem. i had this problem and changed the sensor which was bad. then a month later i had the same problem. i added coolant and light went out then 2 weeks later it came back on. i researched it more and found that the intake manifold gasket failure would produce the same results over time. i changed the "bad intake manifold gaskets" and have no problem now.

Posted on Jun 25, 2009

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THERE IS A PROBLEM WITH THESE SENSORS, IF THE COOLANT ISN'T LOW REPLACE THE SENSOR.

Posted on Jun 24, 2009

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I have a 95 grand am se 2.3 liter the other day my low coolant light came om i pulled over emediatley it was low i filled it and have been checking every time i go anywhere it is full and my low coolant...


You may have to reset it by putting in a code. You can find the code in your owners manual. In our Grand Am we have to reset the Check Oil light after we change the oil. For the oil light it is something like press the gas peddle in 5 times within 30 seconds....something like that. Good luck

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Low coolant light stays on and coolant level is not low


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Check you coolant resevoir. The low coolant switch is located in the resevoir so if it is low on coolant there, the light will come on. If it is full, it could be that the switch is stuck due to gunk build up in the resevoir. Hope this helps you out

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