ANSWERS: 2
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The oil light means that oil PRESSURE is low, and not necessarily the oil level. Checking the oil level is next to meaningless. You need to check your oil pump to ensure that it is functioning properly and pumping enough oil into the engine at the correct pressure. Obviously, during city driving, this is not happening, since your light is coming on. Take the car into a shop. I am not aware of a method to test an oil pump, so you may need to replace it. If you replace it and the problem persists then a more serious issue may be present. Good luck, Hope this helps **Remember - a red warning light means stop the car and shut it off!
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It is always worth while to see what can turn the light on. Maybe a faulty oil level sensor? If the oil level sensor trips and you add oil, it may take several drive cycles for the light to go out. Your friendly nieghborhood mechanic will have a manual oil pressure gauge that screws into the hole where your oil sensor is installed. Be very careful with this problem. If you have no oil pressure, the engine will destoy itself in a VERY short time!!!
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