Question about Chevrolet Lumina

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My Oil Light came on and it is full of oil is it the Oil Pump and Oil Sending Unit for a 1997 Chevy L:umina

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If your oil sending unit is seeping oil then I would change that first. You could get an after market pressure gauge and install it were the sending unit goes, that would tell you if its the pump.

Posted on Dec 03, 2012


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How do i fix or solve this problem with my oil pressure light showing this malfunction and what could be the problem

if you have the north star motor could be oil pump or sending unit for oil gauge start with oil pressure sending unit the little hole in end of sending unit get clogs and or just give up

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Yes. But it could also be a bad oil sending unit. Do not drive the car until you figure it out. If the oil pump is bad you risk destroying your engine.

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I have a 1976 buick regal 350 engine and the oil light comes on when the engine gets hot and it is at an idle. when you give it gas the light goes out. could this be the oil sending unit and if so where is...

it might be the sending unit, is it a buick 350 or a chevy. 350? if a buick engine the sinding unit should be on the side of the timing cover if a chevy 350 next to the dist.

remove the oil sinding unit and install a manuel gauge and see just what the oil pressure is if below 10 psi at hot idle replace the bearings and oil pump in the engine. if this is a chevy 350 make sure you replace the camshaft bearings this is were we use to see the gratest oil pressure loss.

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REplaced fuel pump still won,t start when its cold it starts right up when its hot the only way it starts when cold is relieve pressure from line 1997 chevey pu . 305 .

Check your fuel pump relay Alot of chevy systems back up the fuel pump power supply through the oil pressure sending unit . So even if the relay is NG the vehicle will still start and run because the oil pressure sending unit is feeding the pump . It also could be a combination of bolth a bad relay and the O P sending unit it needs to build up enough engine pressure to trip the switch inside the sender to send voltage to the fuel pump and it would do this much better if it was cold the oil is thicker

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1 Answer

Low oil pressure

Sorry to say, but oil sending unit has nothing to do with oil pressure. Best case scenario for low oil pressure would be you need an oil and filter change. Better case scenario would be you need to drop oil pan and clean screen on bottom of the oil pump. Worse case scenario would be due to excessive miles on engine which causes wear on compression rings and/or crank shaft bearings where oil pressure originates from. It might be good to have a compression test done on all cylinders by a certified mechanic or at least someone who knows what they're doing. Let me know if I can be of further assistance. Good luck! over4dy

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If your egine is full with oil and you have no oil pressure its and indication of a bad pump, or your engine is starting to fail. if your oil light is on and your full, its an indication that your sending unit is bad.

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I have a 1995 Chevy Lumina with the ''Low Oil'' light on.

may be the oil sending unit is bad
may be the oil pump
is there any noise in the engine?
have the oil pressure check at a repair shop to make sure you have enough oil pressure
if it's ok then have the shop replace the switch while they have the old one out to check the pressure

Mar 09, 2010 | 1995 Chevrolet Lumina

1 Answer

I have a chevy cavalier and my oil light keeps coming on can you tell me what may be the problem?

The obvious problem is you are low on oil. If that is OK then you could have a bad sending unit. Worse case is that your not getting enough oil pressure and the engine may be getting tired or the oil pump is weak. If you try a thicker oil like 10W40 or 10W50 and see if the problem goes away.

Jan 05, 2010 | 1997 Chevrolet Cavalier

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Where is the oil sending unit located on a Chevy S10 Pickup.


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well when oil is cold its thicker
as the vehicle heats up the oil becomes thinner in the oil pan
in which when the vehicle reaches core temp the oil pump doesnt need to work as hard

heres some other areas to look at
bad oil sending unit
in the pan the oil pick up pump filter needs replacement
oil filter clogged
bad oil sensor
vacume leak
these things need to look for and adjust or replace
the oil pick up pump in pan needs to be serviced by service tech at the dealers this is something a do it yourselfer could not do on own with out proper tools

Jun 07, 2008 | 1997 Dodge Caravan

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