Question about 2001 Buick Park Avenue

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Oil pressure gage fluctuates;red oil icon stays on; alarm bell keeps ringing. I added 2 qts of oil. no change.

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Hello,I can help you with your buick oil pressure problem. This is the 3800 engine correct? Is engine noisey? Would be best to install a mechnical oil pressure gauge on your engine to see if you are actually losing oil pressure or we have another problem. this tells you exactly what the engine is doing. If you do not have one the cheapest thing to try is replacing the oil pressure sending unit.if sender is defective it will cause your problem. This sending unit is above the oil filter.

Posted on Dec 12, 2011

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Posted on Jan 02, 2017

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2 months ago my 04 avalanche oil pressure was fluctuating from 40 at take off to 10 when going steady 50 mph took to garage they said i needed a oil change and to add a luccas oil stabilizer in it and


The first thing any good technician would do about the oil pressure is remove the sending unit and hook up a mechanical test gage to see what the pressure is, GM oil pressure gages are famous for this very complaint, most likely the oil pressure sending unit is defective. As far as the other problems go it could be related.

Apr 19, 2017 | 2004 Chevrolet Avalanche

1 Answer

2005 Chevy Silverado show low/erratic (0-20 lbs) oil pressure.


More then likely the sending unit is faulty, but to be safe hook up a mechanical test gage at the oil pressure sender port and check oil pressure hot engine, if it is steady then replace the sending unit.

Jul 28, 2017 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

Oil gauge is fluctuating...on Low when at a standstill...moves up when i hit the accelerator...i just added 3 qts of oil...and i also have a coolent leak????


That is a good sign, it is working, my oil pressure fluctuates like a tachometer, at idle it is low, like 20 lbs, then when I 'm cruising, 35lbs, but it goes up and down when you pump the gas. The pressure gauge is reading the oil pressure at the top of the engine, it will show 45 lbs with only 1 qt of oil in there, it is not an oil level gauge. You might have an oil light buried on the dash somewhere that will light up if the oil gets too low. ,, Now about that coolant leak, it should have nothing to do with the oil pressure. Is it a hose? Radiator? Joint at the top of the engine? Where is it leaking, and what is it doing? Does it over heat? Or did it overheat? Is there oil floating at the top of the radiator? Does it blow steam out the exhaust? Does it have coolant or just water? Check it out. hope this helps.

Aug 29, 2010 | 2002 Jeep Grand Cherokee

1 Answer

How do I stop and/or turn off the low oil pressure ''alarm'' bell for a 1999 Dodge Grand Caravan? I DO NOT want to hear the noise from the ''alarm'' ''bell''. How do I disable the alarm bell? thank you


The oil pressure alarm is very important, the last thing you want to do is dasable it, need to check the oil level, if it is full then it would be wise to take it to the shop, probably a malfunctioning oil pressure sender

Apr 11, 2010 | 1999 Dodge Grand Caravan

1 Answer

The oil light keeps coming on with a bell


If your oil gauge if you have one reads good pressure, more then likely you have a bad sensor, if you just have an oil light, take it to a repair shop where they can do an oil pressure test. Have it check, low oil pressure can cause major engine damage.

Jan 05, 2010 | 2000 Dodge Grand Caravan

1 Answer

The oil presure gage goes up and down from zero to


All you have to do is replace your oil pressure sending unit.It`s in the rear of the motor by the left head.This is the drivers side.You need a special socket to remove the sending unit.Good luck.

Dec 05, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Fluctuating oil pressure gauge.


Two quarts is about half the capacity. The pump was probably starved of lubrication and is failing.

If that's not expensive enough, you may now have a problem with a damaged engine. You may want to just put that money into a new vehicle.

I don't think the car would have enough power in its present condition to get high enough to reach a cliff, and driving it into a lake would not be environmentally sound. Besides, the fine would not be worth it.

The cheapest and easiest maintainance that anyone can do on a car to avoid expensive repairs is still checking the oil ever 1000 miles (filling if necessary!) and changing it every 3000.

Mar 17, 2009 | 1991 Chevrolet Lumina Apv

1 Answer

Loss of oil/oil pressure and fluctuating oil pressure


could be that the screen in the oil pan where the oil is taken up is clogged. not certain--maybe oil change?

Mar 02, 2009 | 2005 GMC Sierra

2 Answers

Low Oil Pressure on 1992 Chevy 1500 Pickup Truck


Hi! The problem you are outlining is very similar to the Rover V8 (Buick engine). We Brit's are used to the low oil pressure when warm. I presume a complete oil change engine flushed with new replacement filter has been carried out? Maybe a top quality synthetic oil with additive may help. You may take it a little further and replace the oil pump with an after market performance up rated one. If you really are worried about low oil pressure damage whilst in low rev's try Molybnenum Disulphide an oil additive which really reduces friction metal to metal wear particulary in the situation you are describing.
That's the best I can suggest at this moment.
Good Luck! and Happy New Year!
Paul 'W'
Onyer~EDson(:0)~[><

Dec 28, 2008 | 1985 Chevrolet Camaro

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