What Is the Normal Oil Preasure Reading for a '98 Buic Lasabre

imidazol97

Clicking through the DIC readout on my 2003 today I saw the oil pressure said 130 but the word next to information technology said Normal.

With the engine off the pressure reads 0. One restart information technology said 129 instead of 130.

Engine sounds fine.

Is this likely a pressure sensor or sender? I'll check the connections at the sender above the oil filter later today.

RoadBuck

Clicking through the DIC readout on my 2003 today I saw the oil force per unit area said 130 simply the discussion side by side to it said Normal.
With the engine off the pressure reads 0. One restart information technology said 129 instead of 130.

Engine sounds fine.

Is this likely a pressure sensor or sender? I'll check the connections at the sender above the oil filter later today.

My friend has a 3.8 engine with a factory "Supercharger" on information technology..his reads 130 lbs pressure all the fourth dimension..its considering of the supercharger and thats normal on his.....Is your's supercharged??

2000 LESABRE

Non unless he installed a supercharger a 2003 lesabre does come stock with a supercharger. I recall your stressing out about something thats normal actually it should ascent upwards and down with the rpm'southward

stuzman

Clicking through the DIC readout on my 2003 today I saw the oil pressure level said 130 but the discussion next to information technology said Normal.
With the engine off the pressure level reads 0. One restart it said 129 instead of 130.

Engine sounds fine.

Is this probable a pressure sensor or sender? I'll check the connections at the sender above the oil filter later today.

Yeah, yous are correct that 130psi is non normal. Ive had this happen twice to my 2000 Buick LeSabre and the pressure in both cases was 130psi. The culprit is the oil pressure level sending unit located above the oil filter. Once you replace information technology, you lot'll see the pressure come up downwards to effectually 60psi while on the highway.

HotZ28

Yep, you are correct that 130psi is not normal. Ive had this happen twice to my 2000 Buick LeSabre and the pressure in both cases was 130psi. The culprit is the oil pressure sending unit located in a higher place the oil filter. Once you replace it, y'all'll run across the force per unit area come down to around 60psi while on the highway.

Correct, the sending unit of measurement problem is common due to the small orifice (1/8-in) which tin become clogged with small debris. Fortunately, information technology is not expensive to supercede.

imidazol97

Tin can this oil pressure sensor be changed without removing the oil filter?

It looks lilke I can get a medium crescent wrench on it. Is there much oil behind information technology if I can do it without removing the filter? I presume removing the filter dumps all the oil from in a higher place.

HotZ28

It will leak oil when removed, so just put a drip pan under it to grab the oil. I never had to remove the filter.

LARRY70GS

If your oil pressure was really 130 psi, I think it might blow the filter apart. I accept a difficult time believing that debris would cause this. I'm thinking it is just a malfunctioning sending unit of measurement, or a stuck pressure relief valve.. My Riviera has an idiot light. I used a brass tee to run both the low-cal, and an Autometer 2 1/8" mechanical approximate. Common cold oil pressure level never goes above seventy psi. When fully warmed upward, oil pressure is 63 psi at chiliad RPM. It never goes beneath about 32 psi at idle in gear. This is with Amsoil 5W/xxx. The supercharger has zilch to practise with oil pressure.

HotZ28

When you remove the sometime pressure sensor, insert a paper clip in the orifice and encounter if you discover minor particles of debris. Move the paper clip upwardly & down while checking to help loosen the clogged orifice. Practice not reuse the old sending unit, even if cleaned, it will not work. I have replaced many of these for the aforementioned reason.

dg_da

Thinking I might have an oil problem with my 2000 LeSabre, I watched the oil psi closely on my contempo long bulldoze. Nearly 55 psi at idle; interstate highway speeds, 65-67 psi with tach at 2000 in drive; 75 psi with tach at 3000 going downwardly a very long v% grade downshifted to "3".

LARRY70GS

Thinking I might have an oil trouble with my 2000 LeSabre, I watched the oil psi closely on my recent long drive. Nearly 55 psi at idle; interstate highway speeds, 65-67 psi with tach at 2000 in bulldoze; 75 psi with tach at 3000 going down a very long 5% grade downshifted to "three".

Why do you think you have a trouble?

imidazol97 · Jan 17, 2012

I found a time to change the oil pressure sender. I did have to take off the oil filter. I was tempted to put the aforementioned one back on, merely didn't.

The larger adaptable wrench would slide betwixt the housing after moving a fraction of the way to tighten more than. And then I flipped the wrench and tightened another fraction of a plow. After the initial loosening channel locks might have been easier.

Getting the snap loose for the electrical connection was tricky.

HotZ28:
I did not detect whatsoever particles inside the opening with a toothpick. It looked very make clean, in fact. I've always used practiced oils and synthetics lately. I couldn't vibrate any particles out past tapping it on the countertop.

I estimate the thing only died. Oil pressure now shows 65 at startup in a 55 degree attached garage.

HotZ28

Y'all probably only had a bad sensor, but there could all the same be small debris in the orifice. If y'all still accept the sensor, try using a can of restriction cleaner (with the small straw adapter inserted in the spray nozzle) then stick the harbinger nozzle down into the sensor opening. Wrap the whole unit with make clean newspaper towels earlier pressing the nozzle. Spray the brake cleaner for a few seconds and see what comes out into the towels.

dg_da

Larry70GS, I thought the oil level might non be right as I had done a contempo oil change. Then I was advisedly monitoring the oil PSI. My oil was a scrap depression but nothing critical. All of the PSI readings I listed were Normal on the DIC.

LARRY70GS

Larry70GS, I thought the oil level might non be right as I had done a recent oil change. So I was carefully monitoring the oil PSI. My oil was a bit low only nothing critical. All of the PSI readings I listed were Normal on the DIC.

Looks normal to me too. The oil pump on a 3800 is excellent.

Shadycheeba

how-do-you-do,i have a 2000 lesabre (190,000 miles)and as long as I recall at to the lowest degree 4-5 years my oil pressure level always read 129 and does non fluctuate.
I never thought much of it until i noticed on my 02 lesabre (43,000 miles) that oil pressure fluctuates a niggling around 35-70 depending what I'g doing.
I'm guessing the 02 is correct just my 2000 needs the oil sending unit? then I take the oil filter off and its correct above it?

Glenn W

With the rt. forepart corner raised and a jack stand for safety, I just pulled the plastic wheel well flap at the front and used a std. 1"-1-1/16" size psi sending unit socket. #AC653 is the Autocraft number (AutoZone) .
I had the oil filter off because information technology was easier and you don't lose much oil. I do think the idea of some little smutch of debris blocking the orfice is a rarity bordering on urban legend. Information technology would have to completely block the pressure of the oil from pushing against the transducer. If your psi reading never changes, the sending unit of measurement is bad, the wiring bad or the signal processing is bad. A tiny piece of debris could restrict an opening and act as a damper and ho-hum downward CHANGES in the readings, but seriously, how would it requite a warm car 130+ psi readings?

G-460591

I have a 2003 Buick Lesabre (145,000 miles at present) my oil pressure has always read 129 130. I've had it for 5 years now had 50K miles when I got it and it read the same 129 130. And so the sending unit is bad???

SAYBER

Clicking through the DIC readout on my 2003 today I saw the oil pressure said 130 but the word side by side to it said Normal.
With the engine off the pressure reads 0. I restart it said 129 instead of 130.

Engine sounds fine.

Is this likely a force per unit area sensor or sender? I'll cheque the connections at the sender above the oil filter later today.

What ever happened with ur oil pressure level sensor? My machine has the EXACT same matter goin on. Noticed it today. Did u replace the switch? Did it ready it?

Eilerman Harme1943

What Is the Normal Oil Preasure Reading for a '98 Buic Lasabre

Oil pressure reads 130

G-460591

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