I have a 2011 mazda tribute. 148,500 miles. Run standard 5w-20 oil. After the engine has run for a while (25mins plus) the oil pressure light begins to flicker when idling. When I accelerate the oil light goes off. So, it appears that when the oil warms up and thins out the pressure drops. When it is idling the pressure drops but when up to speed the pressure rises. I just had a fresh oil change one week ago, so it shouldn't be bad oil or a bad filter. What are some troubleshooting possibilities in order of liklihood?
When the light comes on at idle do you notice any engine noise different from the norm.if not then the oil pressure sensor(ops) is bad/weak and will need to be changed.if you hear abnormal noise with the light on then you will have to have teh oil pressure checked to see if its within specs.
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Sorry, it's a 2001 not a 2011.
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