My check engine oil pressure warning keeps coming up and I have changed my oil and oil sensor. I have an 08 chevy impala with 253000 miles and my car check read bad map sensor. What's going on with my car?
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Confirm your actual oil pressure by connecting a mechanical gauge. If that shows low oil pressure your engine is worn out.
oil pressure warning keeps coming
First of all, do not drive.
If oil pressure is in fact low, you might damage your engine severely.
What's going on with my car?
Either a mechanical or electrical fault.
Requires probably replacing the MAP and checking the wiring of the oil pressure switch.
(Assuming the part was OEM and not some cheap Chinese junk)
Remove and clean and reinstall your map sensor or just go buy a new one an install it.
