My oil light comes on intermittently, usually only when I am stopped, but not all the time. I figured it's warning me my pump is about to go out. I want to replace this myself but I'm not sure where it is located.
Oil light that comes on while in idle means the oil pump screen is clogged or damaged, cause low oil pressure to the engine. That part is only $30. It could be a bad oil pump though, if that is the case the pump can run you $100. Either way you need to get it fixed ASAP it can cause major damage to the engine in a very short period of time!
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Yes I would say the oil pressure switch is faulty. The oil pressure gauge uses a different sensor, so if the gauge did not drop but the warning light came on, I would have the warning light switch checked. If the warning light comes on, the fuel pump will stop getting power and you will lose fuel pressure too.
The oil pressure warning light comes on to warn the driver the oil pressure in the engine has dropped below 10psi. The reason could be the engine is low on oil, or there is a problem with the oil pump or other internal engine component. The oil pressure switch could also be faulty.
with the details that you have provided, it sounds like it may be either a ground, or ignition relay, but I've also encountered the same problem being the starter wire to the starter. The reason I think that is because of your dash lights coming back on .If you have use of a voltmeter you can test and see how much power is actually going to the starter An ignition relay could do the same, but usually won't interrupt the engine after it's running.
I don't want to worry you but have you checked to see if the oil pump is ok, as if it has failed the oil pressure will be the problem not the switch which operates the warning light. ? Have you tried taking off the oil filler cap whilst the engine is running as if you do that you can sometimes be able to see ( with the aid of a torch/flashlight ) if the oil is getting pumped up to the timing gear, i.e. the camshaft and the valve gear, followers etc. If the oil is sluishing about at the top of the engine ( spitting out even ) then that is some good indication that the oil is being pumped up by the oil pump from the bottom of the engine ( where it is usually situated above the oil sump at the base of the engine) Furthermore...The oil pump 'pick up' pipe usually has a gauze filter attached to it, to stop any ' foreign bodies' entering the lubrication system if it has become blocked the oil flow into the pump will be restricted and could cause a low pressure warning, Unfortunately the only way I know to check this is by 'dropping' i.e. removing the sump which can be a big job depending on the access to it.I am not familiar with your model of car nor am I a qualified mechanic but know quite a bit about how engines work and how to fix problems. Also if there is insufficient oil in the engine this will cause the warning light to come on. Have you tried changing the oil as old worn out oil might also give you problems including wrecking your engine. I hope something I have said may be helpful, Good Luck...... Stephen
I had this same problem. I put in a can of engine restorer and lubricant, the 8 cyliner formula and had no more problem with that light coming on. this is found at advanced auto at about 10.00 a can. it will restore your engine's compression.
first thing is check the oil pressure not by the instrument panel if ok then panel is out if not its the sensor or oil pump Try this replace the temperature sender with the new green model and oil light will disappear no more three annoying beeps.
Assuming these readings are false, I have asimilar problem in my 540 which tells me allt the exterior bulbs are not working. The bulb sensor is faulty so I think you are safe in your assumption although the oil light showing would scare me, false or not. I suggest you get a service agent to cast his/her eyes over that one.
First thing I'd check is the oil level, coolant level. The check gauges light is illuminating because on of the gauges is below a certain pre-programmed threshold. The light is very similar to the old idiot lights that came on when it was too late. Cars used to have gauges and in the earlly 90's the manufacturers figured out that the majority of owners did'nt even read the owners manuals, let alone know how to read a gauge. So they started putting in idiot lights that would come on when there was a problem, they figured even an idiot could see a red light on and know there was a problem. The only problem was that the pressure switches that turned the lights on were set very low. Take for example an oil pressure switch (OPS). The switch is designed to close and complete a path to ground for a light, the problem is it closes aroung 3psi. Normal oil pressure is around 30, at 3 psi the cam and crank bearings are starving for oil, by the time you see the light on it's too late, the damage has already been done to the engine. So the manufacturers started installing gauges and lights to cover all the bases. So if I had to take a guess, I'd say you have and oil pressure problem. Check the oil, if it's low figure out where it's going, if it's not then you may have a faulty sending unit, confirm this by installing a manual oil pressure gauge in it's place. If the manual gauge shows low oil pressure then there may be some debris/sludge floating around in the oil pan stopping up the pickup screen or it could be a faulty pump.