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Chevy GMC No Oil Pressure Gauge Reading
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- Опубліковано 17 сер 2024
- In this video we show common causes and solutions for GM vehicle experiencing low or no oil pressure reading on the instrument panel. This condition may also include a low oil pressure warning on the drivers information display and an illuminated check engine light and/or stored codes P0521 P0523
This video applies to 2005-2010 Chevrolet and GMC vehicles including Chevy Silverado, Suburban, Tahoe, Avalanche, TrailBlazer, GMC Yukon, Sierra and others equipped with the 5.3L and 6.0L engines
Watch this video for more information.
Please subscribe now to The Car Doctor Channel for more tips like this to help keep you on the road!
Wait till the Engine is cool. Lift the vacuum hose out of the way and reach behind and you will feel the wiring. Pull the plug. Use a 1 1/16 thin walled socket and a short extension. The sender will come out fairly easy. Make sure you replace the screen. I was able to do this easy without removing anything at all.
Just wanted to say thank you for youre video very informative and straight to the point people like you help the working class folks that can't afford a shop .keep up the good work there are so many people that rely on you in there time of need . Mine quit today at 3 am I had pulled over and removed the oil fill cap and verified oil being pumped up closed it up and drove to work and home before changing it took me about 25 30 minutes it is very difficult to get to but I did not unhook any lines just removed the plastic cover and used a small tbi unit hold down bolt off a 90s Chevy to get the screen out it was plugged solid .
After my mistake on spending 500 bucks on a new oil pump, my "professional mechanic" did not fix this problem. Later i saw this video, it was just a blessing to the headache i had on figuring out the problem. As mentioned in this video, it was the filter itself. Many props to this gentleman. Thanks
Excellent video, now just dreading doing the work 😂. Thanks Tim, for telling the truth on what a pain in the rear this job is.
That little filter should be included with the sensor! THANK YOU! THANK YOU! For your video. I’ve replaced two sensors and nearly pulled the oil pan before checking UA-cam one last time. Luckily I found your video. My Yukon had very low to zero oil pressure on the gauge but didn’t knock or tick throughout the rpm range. I pulled the sensor and filter popped in a new filter, buttoned everything back up, hit the switch.... 50 psi! THANK YOU!
Good work. Always nice not having to pull the intake and losing half the bolts. This way you can just drop a few sockets down the back of the engine by the time you're done.
haha, I edited that part out.
Kinda funny Down Under talkin to Up Yonder.
Indeed
Did this with my 08 Suburban. Got my hand stuck, not much fun but gratifying when complete. Time for a bath.
I just had mine replaced....twice!
Remember to REPLACE THE SCREEN FILTER AT THE BOTTOM OF THE SENSOR! Some mechanics will say it doesn't have one just so they don't have to pull it out because it's a pain in the but to remove!! Nevertheless it is there!! Great video!!
Just did the same thing you did in the video and it’s working fine now!! Thanks for the tip 🤙🏼🤙🏼
Great video! I just did this on my 2007 GMC Sierra and it’s a lot better than pulling the intake. I also found out that using a wall anchor and screw for picture hanging is also a good way to pull the screen filter. Just put the anchor in the hole after removing the sending unit and finger tighten the screw and remove. It came out quite easy. Thanks!
Thanks for the video! I just fixed my oil pressure sensor a few minutes ago. You helped me save over $150.00!!
Awesome!
Really appreciate your video! I've watched so many I'm a bit depressed. I have the sensor and the screen and need to just do it. At 70 years old I don't bend in places I used to but am willing to try again. Used to make a living as a mechanic but they make vehicles too complex these days. Anyway, thanks for your video which is very straightforward and calming! Moreso, thanks for your patient encouragement! Be safe...Tom
Thanks Tim! This video is very informative and helpful. You inspired me to attempt my own repair. I was able to change my OPS on my 2007 Yukon 212,000mi. Glad to see oil pressure again!
Mm
K
Was it running about 20 to 30 on your pressure guage before you changed it?
Another great tip. Something I've noticed that really contributes to this, at least in my experience, going to long on the oil changes. have noticed this a lot when people run synthetic oil, they go way to long, the oil gets to thin and dirty and it plugs up those screens and the sensor. But something else I've noticed, on the engine with the active fuel management that have the oil consumption problems seem to be worse for this.
kenman1717 plugged screen=burnt out engine.
Tom OConnor have seen that too.
Totally agree. This guy keeps the oil super clean and it apoears to be strictly on the electrical side. 125K is actually a lot of miles up here.
warriorpluto if you have good oil pressure, not using oil, no noise and do your oil changes when you should, I wouldn't worry to much. and something to keep in mind, warm your truck up for about 10 mins or so before draining the oil on an oil change it really helps cut down on sludge build up. have pulled engines apart with 300000kms on them and the lifter valley had over an inch of hard caked on sludge and it was do to many cold oil changes.
Most places like walmart, jiffy lube and others wait for the oil to cool down for an hour before they change the oil.
Thanks made life a lot easier for me. My gm dealer wants 2500 dollars to fix it.
WOW!! This could be HUGE! I have watched my engine oil slowly drop over several years to maybe 30 LBS while hot and driving, and 20LBS at idle with 300K on engine however, no noise and engine runs great! it is a 2006 LQ9. If it is that screen I will be downright giddy! All highway miles and regular oil changes with Amsoil. THANKS!!
Hope it is. Throw the screen away.
@@ThecardoctorTV Appreciate that however, i pulled the sender and there is NO screen! There is what looks like a metal tube up to the base of the sender (female side) threads, with a smaller hole at the bottom, very strange. So much for HOPE.
@@davebarron5939 I believe the screen is there to protect the solenoids in the AFM "VLOM". I don't think your 2006 should have that system, you lucky devil.
Thank you for your help. This quick fix made my day, was able to fix the problem in about and hour. Please keep up the videos
Thank you. Super glad this helped. Blessings
Thanks for showing the parts, and real-world removal tips. This will come in handy and my oil pressure seems to be slowly trending lower.
Hope this helped. Blessings
Thanks you made that issue clear enough for DYI...
FYI. I did this with success on a 2010 suburban.
Great information Tim. I have a 2003 Tahoe 5.3 eng with 91000 mi and have not had any major issues with it yet!
Hope it keeps on providing trouble free service for you. They are a solid vehicle for sure. Take care
Change your oil every 3,000 miles because the greatest with 5.3 is people not changing the oil like they should and lifter start tapping because the oil pathways get clogged with sludge.
Very nice video and very informative! Thank you for taking the time to make it!
Hey .. Thanks a lot, this tip saved me some time; always looking for these kind of videos. And I certainly appreciate your simple and to the point demeanor, the explanations and directions are spot on.
Thanks again...
Thanks. Super glad it was helpful. You take care!
Thank you so much for this video, I fixed my self and sage 300$ in repairs
I have an Escalade, which is GM but it has a bunch of random readings. It goes from no oil pressure, which says
- - - PSI, to 190+, then down to 0 and when it does that I’ll get the low oil pressure (turn off engine) warning and dinging sound. I haven’t tried the to replace the sensor or screen yet, but I’m also getting the same codes and will be replacing it ASAP. Thanks for the video!
Nice video Tim! Yea 129 psi with the engine off I'll play Las Vegas odds it's electrical...call me crazy! Keep the videos coming!
Pretty good odds on that one buddy. If I wasn't making a video I would have replaced the sensor and filter without even looking at the scanner. Pretty common issue and the engine wasn't knocking so it was a good bet. Thanks for dropping in.
Thanks nice way of explaining definitely how to check that it is the sensor and not the gauge
Awesome. Worked just like you described! Thank you much
You doing very good job 👍👍👍👍
Nice video 👌👌👌👌👌
You very good teaching good teacher 🤠
Thank you so much I watching each All video 😊
This is Rana Hamayun from new York long island
Thank you so much
You did not mention the issues the 5.3 has with the oil pump pickup tube o-ring.. where pressure starts normal and as it gets warmer it continuously declines to zero or almost zero... I have found this as a professional in shop mechanic to be more common than anything when it comes to abnormally low oil pressure readings..
Thanks for the great information! I'll probably be changing mine out in a few days when I can get some time!
Enjoy watching each time, Thank you!!
Great information that will save me some time and money. Thank you for your work!
Dont use ac delco oil filters. The oil pressure in my z71 dropped out and I thought I had a real issue, just needed an oil change. I switched to mobile 1 filter and it had been awesome. 10 bucks but better than ac delco.
I have a 04 envoy xl. on vacation far from home where I do my own maintenance. the pressure went from normal to 0 parked at Walmart. never had this happen before. it would be a long tow but thanks for this video.
Great video, thank you for doing this! Informative and saved me a lot of work, as I did not have to pull the intake manifold as the manual says.
Great! Glad it helped. Blessings!
The other thing that seems to go on these when they show no pressure and has no pressure is the oil pump relief valve sticks or the O ring that connects to the oil pump to the pickup tube splits.
Good call. I should have mentioned that. I kinda glossed over actual low oil pressure issues.
I dunno what the heck GM did but alot of those LS engines have the sudden loss of oil pressure. Its good just the sender fixed it. Those are cheap these days too they used to last forever
Mine just did loose alot of psi the other day while riding thing was it happened about 300 miles after I did a oil change (new to me vehicle so It was the first change that i have done to it) but out of nowhere it now idles at about 10psi and right about 20 when cruising before it sat right at 40 when riding and about 30 when idle, but only when the motor becomes hot the pressure drops, any ideas , I put 10 40 when I changed the oil, and just did another change yesterday to 20 50 and still when hot loses pressure any idea's?
@@sexdrugsrocknroll420 what did you find out? Ive replaced the sensor and screen in mine. It sits around 20 at idle and still throws the code
@@TDIETZ22 it's most likely the crankshaft bearings going out is what I've narrowed it down to
nice vid. you deserve 200,000 subs, not 22000. you exaplain very wel. greetings from mexico.
Thank you, I agree on the 200,000 number haha
Excellent description
The Oil Pressure Low Message
Is a GM defect on the oil pump pressure relieve valve
plunger that gets stucked.
They should make a RECALL of all vehicles that have this
problem, It is very costly to replace the oil pump for something so small and
simple.
Envoys, Bravadas, Trailblazers and a lot of other vehicles.
There should be a Class Action against GM for this.
The problem is that when the valve is defective the computer
incorrectly senses Low Pressure. That’s why when you step on the gas, the low
pressure message disappears!
In other words…is just a momentarily lie from the valve that
makes the computer think that It has no oil and your car stalls trying to
protect itself.
This is how I solve it “momentarily” after I did all this…
Changed the oil sensor.
Flush the engine with Kerosene
Replaced the engine pickup tube.
Clean the throttle body (was dirty)
After all that, I was about to give up and sell my Envoy, but
I finally found a video where it was explaining the oil pressure relieve valve
defect
What I did, was to change my engine oil to 40W and use LUCAS
oil treatment And Voila! The engine oil pressure went up and the low
pressure message has disappeared. (up to now..knock on wood).
I wish you all luck.
ua-cam.com/video/Il5F_QfHGV4/v-deo.html
Time saving tips are golden, thanks for sharing!
It will save you a couple hours but can't say it's super easy to access but if a fat guy like me can do it you can do it. Hehe
Hey that guy looks like he could be your twin.
I think he is just an imitator.
Imitation is the sincerest form of flattery.
Or was it flactutance?
Anyway just expelling on your comments and I thought I'd add that in passing.
What a relief.
Thanks, Tim for this great info. But what about a 2013 GMC Serria we did the sensor and filter change but the pressure came up for a second then went back to 0 pressure what can i look for now ????
New to your channel but want to say dang fine work! 👍
welcome! And thanks for the positive feedback. Take care
The Car Doctor bb
Thank you this helped
FYI look out for plastic weather seal on connector for oil pressure sensor.
When I removed connector from bad sensor, seal fell off connector.
After new sensor was installed and connector reconnected, seal was discovered under truck!
m looking at 05 Yukon with this problem, I will go for it . It's very reasonable
hey thx a million for that info...boy was freaking out
What if i change the oil pressure sensor and still shows low oil pressure?
I have the low oil pressure issue with my 2011 Police Tahoe, even with a new sensor and screen. Starting to fear the worst, and I just got this truck a couple days ago. Bums me out cause I love it and it seems to run great otherwise.
Does it actually have low oil pressure or is it just reading low? remove the screen throw it away and only use an OE sensor for starters. Does it use any oil? Engine noise? Does it read low only when warm or all the time?
@@ThecardoctorTV I just had the sensor and screen replaced yesterday. Oil pressure is around 40 on the gauge when first started, drops to around 10 when warmed up and idling. The shop did not test the pressure manually though. They said the instrument cluster might be messed up, but I'm doubting that. I also have an error code for catalyst efficiency low on bank 2, but that's probably a given for 177k miles.
@@ThecardoctorTV Also I haven't noticed any engine noise, and the oil was just changed so I'm not sure if it burns any yet. I've only driven 30 or 40 miles since i got it a couple days ago.
Hello brother I have a 2005 gmc Yukon Denali my reading oil pressure reading stays at 0 I have been driving the truck like that for a while I have no engine codes another thing is there is a problem with my cluster my milage is ghost and prnd123 are barley visible everything else on the cluster works other than my oil pressure gauge stuck at 0 just need some input before I start spending money on parts
Great video. Thank you. If you don’t replace what could possibly go wrong other than not being able to visibly read your gauge. ?If we keep up with oil changes etc. ?
I'd get a vehicle towed if it had this problem because if the warning is real then your engine can be destroyed within seconds after getting the warning. Unless you have the tools to diagnose or fix it right then and there, but definitely don't drive it and tempt fate. Very expensive gamble.
Bull scrap Ben drive my 91 chev for years no oil pressure
I had same problem. Changed oil pressure switch with no fix. Added STP oil treatment and problem went away. Apparently 5W-30 is too thin. You need a thicker oil if you have high mileage in your vehicle.
good video you are easy to follow and understand
good day sir, from the philippines. i would like to know if there is a problem with my oil sensor if it slightly fluctuates during idle? should i worry about it?
No chevrolet is gonna fluctuate as the oil pressure changes I wouldn't worry about it
I like that signal circuit integrity check nice I wonder what a bouncing Guage means bad power or ground or open short of some kind
I agree a good tip, getting it jumped from under the hood is tough, or maybe I need better jumpers/test wires. I know my plug(the plug on the vehicle side is not 100% intact)
Nice fix without any collateral damage.Helpful comments below from the viewers.
Some pretty smart viewers. I sure learn a lot here. Thanks for dropping by.
They should make a relocate kit. Maybe thread a high pressure hose in the back and locate the sensor on the firewall.
I understand they do for the corvette
So I have that issue but I've had the sensor&filter replaced twice. Could a oil pump or o ring on the oil pick up tube cause the same issue
Well done, professional and complete video
thank you.
I'm not really seeing the exact problem that I'm having anywhere. I have an 06 silverado with 4.8. At idle, it shows 80psi, under load, it shows 0psi. There doesn't seem to be anything other than 80 or 0
Do all these trucks have that screen on them? I have a 2000 silverado and couldn't pick it out maybe didn't go far in enough.
Does anyone know if a faulty oil sensor will cause a know start condition
Is the sensor in the same location for a 4.3 ...thanks for the video .. subscribed🤠👍
I wanted to see what the oil pressure would be on a hot engine at idle?
I like it when you include other years that apply. I have an 05 Chevy (although it's a diesel) so I'll keep an eye on this for sure. How's your 460 engine doing?
460 is on the back burner for now. Shop is very busy. Now I can make money to dump into that 460 money pit.
I have a 2003 Chevy Silverado 5.3 and my oil pressure went all the way up to 80 so I switched the oil pressure sensor and it was working fine but two weeks later my oil pressure went down to 0 and I got the low oil pressure sign. Do you think it’s still the oil pressure sensor or could it be something else?
Have you tested the actual oil pressure?
Dinner engine swap for a block block on a 2009 GMC Yukon and still not get no oil pressure the build-up to a 40 then it drops down to zero then the truck shuts down after about 5 minutes any recommendations what I should do next
Great Video Tips! Thanks Tim.
Thank you Thank you thank you. Thanks. Ill let you get back to bay watch
Subscribed thank you so much for your videos
So mine just went from fine to nothing while driving and I discovered the oil cap was gone. I bought a new one and the needle does not go up, there is no oil pressure warning, I have seen that, so do u think there really is oil pressure even though needle doesn't move?
Thanks for the video, helped me 100%
Quick question…what is the expected cost for a shop to perform this task exactly as you did it ?
Will Mobil 1 oil filter cause these to read just about 0 oil pressure on gauge and warning light on dash? Guy I helped out wanted to use 10w-30 (5 qts) Lucas (1qt). Did it started truck sounded fine ran fine jumped inside and almost died when saw gauge at o and warning low pressure. 05 sierra 5.3.
Sure twice once on the road truck was acting up pulled over found out i was at least 2 qts low oil pan light on dash never lit, another time i took it to the dealer for oil change there was no oil on dip stick yet the idiot oil pan light never lit---but im pretty sure the engine check light did light, fyi the oil pan lites then goes off after the start up lites but I've never seen oil pan light even when i knew it should. Could this be the reason so many are having oil related problems, of course the 5.3 uses /burns oil,the oil pan light is extremely important for this reason alone( its about the early warning before engine check light comes on, hope this makes sense
excellent video. my question would be IF this conditions could trigger dtc1815 causing the transmission to fail when shifting as if in limp mode ?? any input greatly appreciated
this video also works for the 2007 hummer h2 6.0 liter, the only other thing to do is there is another electrical connector right beside the oil pressure switch on the passenger side, i had to disconnect that as well in order for the socket to fit on the oil pressure switch, otherwise it wouldnt fit.
Excellent. Thanks for the additional feedback.
Great tip once again Tim. Thanks for the quick tip. Always helpful
Thank you. Appreciate the support and encouragement from down south.
Everybody's south of you, cept maybe Santa.
You sleigh me
Just be careful when grandma's around.
Mrs Claws?
thanks so much man saved me a lot of money and time!
Glad it helped!
Do you happen to have a part number for the hard plastic hose that goes into the purge canister? Basically just need the clip for that hose.
Found out today my oil pressure sensor switch is broken giving no reading. On the way to work the oil light came on saying pressure was low. The engine could this be a malfunction
Remove the little bracket and u will have access even without removing no lines and hoses at all saves alot of time
Mine went from normal to zero overnight. Changed both filter and sensor but nothings changed. Still a daily driver for over a year and drives fine. Any ideas? Perhaps the other end of the sensor. Any idea where it connects to?
Shouldn't the oil pan light come on the never seen it I've been at least 2 qts low ive been low before
P.S.what should it be reading for psi on that 5.7 liter. Only code that comes up is the sensor on on bank 2 I believe.
Thanks, great info
What a hassle just to get to an oil filter screen.
So I bought a 2003 Cadillac Escalade and it has a traction control disable light and also it has an ABS light come on the petals kind of soft. where should start looking? I kinda want to save money and do it myself.
What is the normal oil pressure mine is usually at 40 or just below at idling when driving it’s between 40 and 60. When you restarted to check your gauge at the end of the video it stuck at 60 is that normal?
Thanks for the tip!!
My Sierra 4.7L lifters start ticking when the truck is idling. But once I drive it around like normal the ticking goes away. Could that have something to do with oil pressure?
Replaced my oil sensor still getting the p0521 code pressures still showing between 15-20psi at idle and 30 to 40 while driving after replacing both the screen and the sensor any ideas on where to go from there
Very helpful thanks you
Question... I got my transmission rebuilt.. Got it put back in and then I started my truck (2008 chevy Silverado) drove down road and there was no oil pressure at all. Replaces the screen and sensor.. Still nothing. Can the gauge be bad?
My question for Mr Tim is, is it ok to drive it with a bad oil pressure sensor? I'm 200 miles out in the middle of no where on a rig, will it hurt the engine ? I got a 2010 Yukon Denali with a 6.2. Thank you.
So I jumped the grey with the tan/black wire and it still reads 0. In fact I get 5 volts from the power and the other 2 read ground? Any idea where to go from there?
I replaced mine on my 08 tahoe and filter as well, and my oil pressure is still low and my engine light came back on. Idk what to do next.
I fixed it, I traded that sucker in. 😆
I will never use Armor all again
Who is the target audience? A 4yr old
Could not skip the ad
Any ideas with this: 09 Z71 5.3 New oil pump and sending unit. 42-45 psi cold start on the gauge. Settles at 40-42 after a minute or 2. After 15-20 minutes oil pressure drops to around 20psi at idle Back up to 40-42 under acceleration. Is this normal on 2nd gen 5.3’s? Mechanic said it’s normal but my previous 00 5.3 and 02 4.8 held 40psi all the time Never dropped
Will it still be fine to drive my truck into I can get it fix
What about if it reads about 20 psi running and it has a ticking noise and it gets louder as I keep driving? Signs of a bad fuel pump? Mine will have a good pressure in the morning but while I keep driving it goes down and I get a ticking noise or lifter noise
So when I start up the oil pressure sits at half but drops to a quarter when truck is warmed up and driven a bit, parked, it drips a few drops overnight.
Bad filter, wrong drain plug, rear main, hoping not the rear main