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Chevy Lumina
Check Engine Light
Air Filters and Intake Manifolds

What would cause the Temp light to come on in a 91 Chevy Lumina?


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2004-06-12 07:44:30
2004-06-12 07:44:30

could be several things. 1st is the car actually overheating. If so then it could be a stuck thermostat or a bad water pump. If it is not really overheating my bet would be a falty temp sensor. The temp sensor is what actually tells the light to turn on.

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The temperature light comes on in a 1992 Chevy Lumina when the temperature of the engine reaches the boiling point. The light may also come on if the transmission gets too hot. Usually a leak in the radiator system will cause a loss of fluid and lead to the temperature light, but it could be anything and must be checked.

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There are many things that would cause a 1999 Chevy Lumina to stall. The car could be too low on fuel, have a leak in the fuel line, or an old fuel pump or filter.

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Replacing the water pump will not cause the check engine light to come on. Either it is a coincidence or you have accidentally disconnected a wire or damaged a sensor somehow.


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