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Burnt out engine bearings or a faulty oil pressure sending unit on the engine. Have the oi pressure confirmed by a shop with a special mechanical test gauge.
Just checked a 1990 Accord LX. It is right above the oil filter. It is visible from the top of the car, but it looks like you would need to remove the oil filter and access it from the bottom because the intake manifold is in the way going from the top.
The oil pressure switch causes it to turn on when there is no oil pressure. There is oil you say, so you need to check if there is oil pressure when you start the engine. Simplest test even without gauges is to remove pressure switch and start engine briefly and turn it off. If you have oil pressure you will have oil shooting out of the switch hole. Replace switch. If you dont have check iol pump.
This is a matter that you should pay immediate attention to.
The oil light can indicate low oil level in your engine, or low oil pressure. Both can be fatal to your engine.
Check your oil level first.
Look for evidence of leaking oil (possinility a loose oil filter)
The oil pressure sending unit or connections could also be causing the problem
Could be coming from the oil pump or even the valve cover gasket.That's about it for oil.I recently had a leak in the dipstick tube.Are you overheating?Do you have to add oil?If so,how much and how often? Thanks,Greg
You'll have to remove the oil pan to access the oil pump. And no it does not have to be primed. Why do you want to replace the oil pump? Did the oil pressure gauge indicate low pressure? If so did you check the oil pressure sending unit?
the oil pressure sending unit must be defective - it should be located close to oil filter - if another sending unit is purchased you can compare the two - most sensors only plug up one way - the light should be working thru ground - light may not come on if sending unit is unplugged as a test
is it an ex?
is it a bad leak?
it could be 2 things
1) oil pressure sending unit above the filter
2) "o" ring between the oil cooler and block on ex models only. the oil cooler is between the filter and block with 2 coolant hoses attached to it. also might be the oil filter. i replace alot of sending units and oil cooler o rings.
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