Question about 2006 Pontiac Grand Prix
Your oil sending unit is located somewhre on the engine. It will be round and about 1 to 1.5 inch across. It will have a wire attached to the top of it. I dont know the specific location on your particular car.
What does it do? It is a diaphram operated device that sends a signal to your oil gage or warning light. The engine side is exposed to oil pressure in the engine. The oil presses against the diaphram. The diaphram is attached to a variable resistor device that operates the gage. Low pressure on the diaphram -= low signal to the gage; Hight pressure on the diaphram = high signal to the gage.
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Posted on Sep 19, 2011
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Posted on Jan 02, 2017
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