Question about 1993 Saturn SL2

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Just bought i am a mecanic oil pressure light on pulled valve cover looks good little dry havent put manual guage on yet just wanted to know if they had any probs in this area hits on all cyl. no rod knocks. thanks

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Do a manual oil pressure check for your own assurance and if it is within specs change the switch.

Posted on Apr 28, 2010


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Will a little more oil cause the oil light to stay on

No, I suggest hooking a mechanical gauge up temporarily to confirm actual oil pressure. If you do have good pressure you need to look at replacing the oil pressure sensor or maybe check the wiring for a bad connection or bad wire.

May 10, 2016 | Cars & Trucks

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I have a 1996 gmc jimmy and I have a ticking noise

It could be that the valve clearances need doing, if that doesn't fix it then put a oil pressure guage on it and check the pressure,

Sep 09, 2014 | 1996 GMC Jimmy

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No oil pressure

It could be anything from a faulty oil pressure gauge, to a mechanic's trick to keep you from finding out the engine is soon to expire. They sometimes unplug the gauge on purpose. Fords can run a little low on oil for a while without signs or problems. I'd start by checking your oil. If it is not low on oil, there is a sensor on the engine block you might want to replace, It should have a wire hooked to it. That is your sensor. If this doesn't work, go to the gauge itself.

Mar 29, 2014 | 1989 Ford Mustang

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I have a 90 plymouth laser I just replaced the head the head gasket and head bolts I am now getting a high oil pressure reading at dash guage and no oil is getting to the top end and lots of rocker no

Good oil pressure, but no oil on top of engine could be a blockage in the oil passages somewhere. You might try some very thin oil, run it a few minutes to see if you can get oil to top of engine. Other than that, I don't know, maybe somebody knows of a solvent or something that may be put in the crankcase, like Marvel mystery oil, or a Lucas product, something might work. Hope you find the problem, Jim.

Mar 31, 2012 | Plymouth Laser Cars & Trucks

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Check oil light on 1996 chevy cavalier. guy who sold me said that it was easy fix if i bought the part. but the check oil light keeps coming on and off. there is a rattling noise in the back so im not...

My question is that if it was an easy fix why didn't he fix it? I would put a manual oil pressure gauge on the engine to check the oil pressure. When an oil light comes on that is not good. It may just have a bad oil pressure sending unit but I would confirm that with a manual gauge which you can buy at any parts store for pretty cheap. If you are hearing rattling noises from the engine I would suspect internal engine problems especially if you don't have good oil pressure. Is the oil up to the correct level? It may be something little but I would want to know what my oil pressure is and if it's not good I would try to take the car back and demand my money back because that car is not worth $2000 if it needs major work. Good luck.

May 02, 2011 | 1996 Chevrolet Cavalier

5 Answers

Whats the purpose of an oil pressure switch can it determine weather oil leaks from your grand prix or not?

The oil pressure switch or sending unit is a unit that receives an electrical signal showing what your cars oil pressure is.And yes it does partially does let you know when there is a problem somewhere in the oil system.For example if your filter gets clogged up your oil pressure will go down and then go up when you accelerate.If there was a leak in the system first you would probably see the leak And if the oil pump or oil pump shaft were to break you would have no oil pressure.So you can see the importance of having an oil pressure switch.I feel there are 2 guages that are important to watch are your oil guage and water temp guage they can tell you allot about how your car is operating.

Feb 09, 2011 | 1997 Pontiac Grand Prix

2 Answers

I bought a used 2005 PT Cruiser and I love it. But it's been acting a little funny. The battery seemed weak and AutoZone checked it and said it was a little, so I bought a new one. In the meantime the...

the light is most likely coming on because of a faulty pressure sensor(common Chrysler problem) not a big deal,but i would still get it to a shop soon and have them check it just to be on the safe side,when those sensors go bad they also leak a little bit of oil and that could be the reason for your loss of a little oil,hope this helps

Nov 11, 2010 | 2005 Chrysler PT Cruiser

1 Answer

1992 plymouth voyager oil guage issue

All I can think is that there is fault with the type of oil or the oil pump mechanism or oil pressure switch or oil pressure relief valve. When cold the oil is viscous and the pump will have little difficulty in maintaining adequate oil pressure. As the oil gets hot its viscosity is very much reduced and flows with ease and the pump has to work so much more effectively to maintain pressure. The speed of the pump is governed by engine revs so as you 'press on the gas' that pump whirls around making pressure. As soon as the engine revs drop the hot oil slips past the pump vanes and the pressure drops. Remedy: Use a 5/40 or a 10/50 grade oil. These left number indicates viscosity when cold (5 is less viscous than 10 when cold) and the second number indicates viscosity when hot. If you live in one of the northern states and suffer very cold winters try 0/40 grade as this will cause less strain on the starter motor, battery and oil pump when starting in the cold. Try and choose a large figure (45 or 50) for the second number as this indicates a higher viscosity when hot, a good thing for older engines with greater wear and tolerances. I think it is no coincidence that the problem you have seen started immediately after you did an oil change and this should fix it. If this results in no joy check out the pressure relief valve in the engine block: a tired or broken spring will not allow enough pressure build up. The oil sender is probably OK but "if in doubt change it out". All the above are relatively inexpensive but if they fail to solve the problem its time to look at the oil pump assembly. This should be accessibly once the oil sump cover on the bottom of the engine is removed. You'll need a workshop manual, some good tools and an extensive vocabulary of expletives to call on. Enjoy!

Apr 16, 2010 | 1992 Plymouth Voyager

1 Answer

1998 toyota camry,4,cylinder, 5 speed

it sounds like your oil pressure sending unit may be plugged by whatever took your pressure down to 5-8 psi the first time. this is extremely low pressure as i am sure you know but at 30 psi your light should go off i would replace the sending unit if your oil pressure is holding 30

May 15, 2009 | 1998 Toyota Camry

1 Answer

2004 Grand Cherokee: oil pressure fluctuates

if you know for certain that the sending unit is correct and the guage is accurate, then yiu may have big problems.....while the engine is running open the oil filler hole.. is everything wet with oil? or does it look dry or just a little lubed? you can allways install an aftermarket oil pressure guage(crappy tire) if you get the same results with that then you may have a week oil pump....worst case scenerio... need an engine rebuild as the moter may have wear issues.does the pressure slowly drop as the motor warms up? at idle ? does it jump up when you step on the gas?

Mar 30, 2009 | 2002 Jeep Grand Cherokee

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