Question about 1995 Chevrolet Corsica
Changed the oil pressure switch, but still stays on. goes away if i turn car on and off then back on again, any ideas of why?
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Posted on Jan 02, 2017
Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.
Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.
Posted on May 16, 2008
how low is dangerous low? are you going by factory gauge? need to run it with a mechanical gauge to see exactly what it is doing. if it is too low your only option is to replace oil pump and main bearings. these would be your wear items most likely causing low pressure.
Posted on Jan 23, 2009
You can jump the A/C clutch fan right on the compressor, be careful though. Lack of oil in the system will cost you a new A/C compressor.
Cheaper if you go to Auto Zone and by the recharge kit for your truck, I think it's like under $45.00 for the R134 canister with stop leak and the hose fitting.
Good luck and hope this helps. Here is a link for re charging A/C http://www.cyberbright.com/autobin/air_conditioning.htm
Posted on May 24, 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
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