What is your question?
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What is your question?
oil pressure low stop car, there is oil in the car
How long has your 2008 Chevrolet Impala had this problem?
on and off for 6 months

Low oil PRESSURE is not the same as low oil LEVEL.
Oil pressure sensing switch low voltage. Sensor
The sensor is in the oil pan it's giving off false read saying low oil or no oil I can't remember. I have 08 impala police edition having same issue since July or August
Disconnect or replace oil LEVEL sensor.