Question about 2007 Chevrolet Impala
Warning comes on then after a few minutes goes off. oil level is fine, oil change due soon
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Posted on Jan 02, 2017
1992 silverado pickup has a problem with the oil pressure Gage on the dash board fluctuate when i put break on or accelerate the gas
Posted on Feb 14, 2009
You may not have put the right amount of oil in your car, your oil pressure sensor could be faulty, or you may have a leak.
By revving your engine, you're increasing the pressure and thus turning off the light and making the sensor think that it's at the correct pressure.
Posted on Sep 08, 2009
SOURCE: OIL PRESSUE LOW
At some point, your engine is registering low oil pressure and warning you the oil pressure is insufficient to lubricate the engine properly.
How does the engine know this? What causes it? Excellent questions. The engine 'knows' this because there is one or more sensors that read the oil pressure all the time. The sensors report to the computer which reports to you. They could be faulty. On the other hand, there could be times when oil pressure IS low. Your oil pump may be mal-functioning. Normally, I would expect the oil pump to either do its job properly or NOT do it properly but not act intermittently. It may warrant being checked by a professional. Another reason for this condition could be the oil itself, though you report you just had it changed. Presumably, whom ever did the change put in the proper oil grade, service and weight, recommended by GM.
Another thought, is this warning seen by you immediately after you start the car? If yes, it is normal for oil to take a second or two to build the proper pressure, particularly in cold weather. Where I am at, it is cold. Oil doesn't like to move when it is cold (like me) so it takes a bit of time to get up pressure (like me).
If this continues, you may want to have this problem looked at by a professional, as I said.
Thanks for your interest in FixYa.com
Posted on Feb 18, 2010
sounds like a bad oil pressure sending unit. or a bad oil pump would have to check with my tech2 & manual oil pressure gauge to diag.
Posted on Feb 22, 2010
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