oil and stop light

[one in a million]

Had the oil pressure switch gauge replaced as it looked knackered, but shortly after replacing the switch, the warning lights had appeared again. They are both pretty much on all the time, with the odd blink on an off. Anyone know what else this could be as its beginning to annoy me.
thanks alot.

p.s i did check the oil of course and whilst having the switch replaced it had an oil changed at the same time.
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[MicKPM]

Time to have the actual oil pressure checked then. You are running 5w/40 aren't you?