Oil pressure indicating light take to to get off after engine get run
I have maxima 1991 , the problem what i have and which recently happened when i start the engine and then it get running the oil pressure indicating light ( red indicator) take few second to get off , and this problem happen when i run the engine in the morning or when the car was stop.
if you provide me with the possible solution , so thanks
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if you don`t hear any engine noise then its more than likely the oil pressure switch is acting up. this is likely a coincidence that it happened after the oil change. have the oil pressure switch replaced.
you may have lost oil pressure the book is correct.... DO NOT DRIVE/RUN your engine While you may have oil on the dipstick that does not ensure you have oil flowing which is what the light is for....it an oil pressure light!
it might just be a short to ground in the warning light but do you want to take that chance and destroy your engine????
My truck does the same thing, pressure never drops to 0 but drops low, replaced the oil pressure sensor and same thing happened. My oil is always black and has a lot of metal in it, next time you change your oil, pour a quart of transmission fluid into the oil and let it run for 10 minutes or so, this should thin out the oil and possibly unclog some of the ports that may be gummed up. What could have happened with the dipstick is that the old oil was too nasty to drain all the way, with the fresh oil it could have thinned out and raised the level, try the transmission fluid trick and see what happens, next possibility is to have the engine scoped to see whats going on inside
Replace the oil pressure switch on the engine. They do go bad. also the switch is used to run current to the fuel pump upon starting everytime. When the oil pressure reaches normal pressure the computer shuts it off and the sends a signal to the fuel pump relay to take over running the fuel pump
This oil switch has three wires attached to it
Sorry if these questions might seem dumb........but with out being there........ Do you have actual oil pressure? Was the correct filter used? Is there oil in the engine? Is it the oil pressure indicator or possibly the change oil indicator that is on?
Is the engine running quietly....as if it has oil pressure? If the engine is running after the oil change.........you might have oil pressure even though the light inside is on.........because the fuel pump usually needs to see oil pressure to continue to pump fuel.
U have an ignition related problem, have the system tested for the trouble code that is stored in memory any time the check engine light comes on to determine what is causing this issue. check engine lights have nothing to do with oil level or pressure, they indicate electronic control problems with the engine, trans or emission system.
Most important thing you need to do is to establish the actual oil pressure. put a mechanical gauge on the engine and read real oil pressure. If pressure is low (min is 15psi, I prefer to see at least 20 at idle) there is an internal problem...bearings etc. If pressure is good, sending unit has failed...replace it. I would not drive it 'till the oil pressure is verified as being safe. You might get lucky and someone just forgot to plug in the sending unit, but it must be checked!!! good luck