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Re: 2007 Escape oil pressure issue/oil pump
One thing to keep in mind that even though the vehicle is new you can still have major engine issues, because of the bearing material may have been bad at production.taking this in account any part on a vehicle can fail prematurely either because of poor insatllation or improper manufacturing. As far as oil filters are concerned bthe odds of mechanic installing the wrong filter are slim to none.the oil pressure sending unit only senses that here is oil flowing through it. it doesn't set the light off unless there is absolutely no pressure at all the only way to see the pressure is to have a gauge. oil prssure should be abot 45 psi at 2000 rpms. the only way a filter would effect oil pressure is if it was completely clogged. It would take a great deal of coolant in the oil to ruin a set of bearings and before that happens your vehicle would not run very well and you would notice a great amount of white smoke out the exaust. this would indicated either a blown head gasket.cracked head or a cracked block. you never mentioned what they found in the anaylasis of the oil. I presume that your vehicle is still under warrenty on the powertrain. I would suggest that you have the dealership check your oil pump out. every vehicle will have a small amount of metalic residue in the oil. large shavings and chunks of metal would be a worry. please rate this thanks.
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the noise is most likely from worn hydraulic lifters rather than cam shaft
the key is your statement that the noise is worse when starting up
Cam shaft noise will be constant with rpms but lifter noise will decrease as the oil pressure builds up
At the klms you state , it is time for a hydraulic lifters set to be removed and have a leak down test done as they will be showing signs of wear
Find an accredited service shop that specializes in your make of car , have the noise properly diagnosed and get a quote for repairs
1. Engine Noise. With a bad oil pump sufficient engine oil will not get to all parts of the engine, especially the top end, and you will get engine noise with metal parts that would normally be lubricated and quiet knocking due to metal to metal contact. Engines with hydraulic lifters that become noisy can be a sign that they have insufficient oil supply. In addition to the hydraulic lifters, your valve train may begin to make noise if your oil pump begins to fail. Valve train components need to be properly lubricated as well. A bad oil pump can result in a lot of additional noise from your valve train system.
2. Higher engine temperature. Poor lubrication because of poor oil flow generated from the pump will cause friction in the engine and the engine temperature will rise. Good oil flow is essential for lubrication and reducing friction to a minimum.
3. Low oil pressure. The oil pump generates oil flow through the engine but tolerances between metal parts produce the oil pressure. Very worn engine bearings will result in low oil pressure. Thus a worn engine will have low oil pressure even though the oil pump may be fine and there is no issue with the oil pressure relief valve either. However you will also experience low oil pressure due to a failing oil pump because poor oil flow will also result in lower oil pressure.
If your oil pressure warning light has been triggered in your engine, the causes of the low pressure need to be properly investigated because the problem may not be with the oil pump. People replace oil pumps assuming that is always the problem and then still have low oil pressure because the pump was not the problem to begin with.
it could be a blocked pcv valve on the tappit cover . that controls engine blow by , caused by engine wear. as the engine gets older the rings wear and combustion gasses escape past the compression rings and enter the sump , if there wasn't a pcv valve it would pressure the engine and blow all of the oil seals out, the pcv valve is there to control these gasses and return any excess to the inlet manifold . it is possible that this valve is faulty. it is also possible that you have over filled the engine oil and this may be causing a issue. or the worst case scenario is that the engine is worn and posibally needs new rings. depending on how many klms are on the odometer I would be looking at all options before going down that path, as it is a expensive operation . hope this is of some help to you
You have a oil pump which feed the crankshaft it is in the crank shaft that oil pressure is built up, you mainly have a worn engine,Is there a engine knock going on? To truly check oil pressure a external oil pressure gauge is used,not the cars gauge,
NO reset button. There are to many things that can cause a no start with the engine running with out engine oil. No oil pressure from a damaged oil pump from running dry, your going to have to have it towed to a dealer so they can scan the engine for the issues to the no start.
Thank you for using fixya and good luck.
have it tested using a manual gage if still low then main baring ore most likely bad that would mean a over hall if is really low and bearings bad should be making rattle noise when started up first few seconds
ur oil pump may be failin-there r sensors everywhere on new cars-keepin u from starting as safety measure-computer systems r complex n things dont always show on 1 scan-they kinda hav the mindset of a pc
Does the oil light come on or the knock occur during the engine warm up after a cold start?
There could be a couple of problems causing the issue. You could have an oil pressure pump or pump pressure regulator sticking. I would have a mechanical oil pressure gauge installed and verify oil pressure at idle and 2500 rpms to make sure oil pressure is in normal ranges.
You could also have excessive piston rod bearing, crankshaft bearing or cam shaft bearing wear that will cause oil pressure to drop too low to prevent the rod knock your hearing at 2500 rpm.
You said a knock and not a ticking noise,so I don't believe a lifter is the issue at 2500 rpm.
Start with the oil pressure check and go from there.
Let me know.
If engine is noisy then you have an actual oil pressure concern.Sending unit only reads the pressure. I would recommend you have an actual oil pressure test done to see what your oil pressure is.You didn't mention what engine you have but rule of thumb is 30 psi at 1500 rpm warm engine.