2018 silverado oil pressure gauge fluctuations

Power feed and a relay switch feed, with the oil pressure switch as a safety cutoff. The harness install kit is actually pretty extensive in what is included. You'd be hard pressed for any savings in time and $$, to acquire all of the pieces and build it on your own. I had to add some 1/2" fuel line to the mix, as 1 of the 2 lengths included ...

2011 Sierra 5.3L Oil Pressure Fluctuation. I’ve looked through a good number of the threads on here and haven’t quite found anyone with the same issue I’m having. So while cruising down the interstate, my oil pressure will fluctuate between roughly 22 and 32 PSI, with no change in speed or RPMs. It just sorta bounces back and forth, but ...4 posts · Joined 2023. #1 · Dec 7, 2023. My oil pressure sending unit fail, reads 0 or 80 psi, then after a while starts to leak oil from the pigtail. This has happened about 5 times over the last 3 years. The good news is I'm getting pretty good at changing it, bad news is it's not fixing the problem.92 posts · Joined 2006. #1 · Sep 16, 2011. Hey guys, I noticed today on my way to work that my oil gauge needle bouncing at idle. As soon as I hit the gas and the rpms go up it stops, but it twitches all over the place (about 5psi) at idle. I'm hoping this is something as simple as the sender having trouble at that level (which actually isn't ...Just my 2 cent guess. The flutter in my truck's oil pressure gauge has been going on for 5+ years and has not gotten worse. It's much more sluggish. The oscillations are 1 or 2 seconds and occur at steady RPM. The needle moves back and forth a few PSI, about the width of the needle. With cold engine/oil, the PSI is 60-ish.So much for the shale boom. Here, a brief tour of why American crude oil stockpiles have been falling for several weeks: The Energy Information Administration said there were 2.7 m...

40 pages, full color, Rated T Cover price $3. 83 Scooby Apocalypse #25 (DC Comics 2018) Death Of Fred Jones Velma Tv Show Shaggy $100 Scooby Apocalypse #25 (2018) DC Comics Death of Fred Scooby-Doo CGC 9. The world is a monster madhouse, ... Silverado oil pressure gauge fluctuations diagram; Silverado oil pressure gauge fluctuations …If you unplug the sender the gauge should go to the top, and if you ground the wire to the sender it should go to zero. I just checked, the needle drops below 275 kpa (40psi) when i turn the key to the "on" positon. then when i start the engine and let it idle ,the pressure goes up to about 343 kpa (50psi).12 posts · Joined 2018. #1 · Apr 25, 2018. Glad I found this group! MY 2008 Sierra 1500 4WD V8 5.3L oil pressure is fluctuating. On a cold start up it acts normal and evens out pretty quickly at 40. However once the engine is warm it usually sets at 30 at idle and at about 50 when at cruising speed. When I accelerate it will climb to 60 or so.Just my 2 cent guess. The flutter in my truck's oil pressure gauge has been going on for 5+ years and has not gotten worse. It's much more sluggish. The oscillations are 1 or 2 seconds and occur at steady RPM. The needle moves back and forth a few PSI, about the width of the needle. With cold engine/oil, the PSI is 60-ish.HELP!! '98 K1500 5.7L Vortec. I have a 1998 GMC K1500 Z71 offroad with the Vortec 5.7L 350ci V8. Purchased in Kelowna, BC in October 2013 at 157,000kms (98,000mi). Currently has 164,000km (102,500mi). Nothing else done to the engine this far. Idle is 600RPM, my oil pressure fluxuates from nearly 0 at idle and back to normal (275kPa/40PSI) at WOT.Do you know how to use a dial bore gauge? Find out how to use a dial bore gauge in this article from HowStuffWorks. Advertisement A dial bore gauge is a special tool, calibrated in...39 posts · Joined 2017. #1 · Jul 23, 2017. I have a 2009 GMC Sierra 1500 5.3L V8. My oil pressure has been fluctuating and its only got worse here lately. I will …

May 22, 2014 · 10 posts · Joined 2013. #4 · Feb 7, 2015. found this thread after changing oil sending switch and filter. '07 5.3L 190K miles with fluctuating oil pressure. tries to read low with warnings unless keep in low gear or manual reving above 1K rpms. Then when warm will read about 35-40 most of the time. condition was present before changing switch ...39 posts · Joined 2021. #1 · Oct 4, 2021. today i was driving and noticed the engine light was on then i noticed the oil pressure is pinned at 80psi and i was at like 1300rpm its usually staying around 35-40psi at that rpm then i cut it off and back on and it continued to be at 80psi i have never had anything like this happen let me know if ...Canaan Inc (NASDAQ:CAN) reported first-quarter FY22 revenue growth of 236.7% year-on-year to $213.9 million. Earnings per ADS were... Indices Commodities Currencies ...BMTahoe Discussion starter. 3 posts · Joined 2011. #1 · Oct 18, 2011. I have a 2002 Silverado Z71 pickup. The oil pressure gauge has started to flutter when at idle. When you accelerate, it seems to level out and oil pressure is good, but will it will flutter again when you return to idle. Even when it flutters at idle, the oil pressure ...For the 2018 Silverado, normal oil pressure readings should vary with engine speed: higher at acceleration and cruising speeds, and lower at idle. However, if the …Feb 10, 2023. #1. Hey guys, so I noticed the other day while driving that my oil pressure gauge fluctuates and gets to the point that it says check gauges on the dash. I recently did an oil change and replaced the oil pressure sending unit but it keeps fluctuating and my car idles rough. I know Jeep's are particular about sensors but I went ...

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When cold takes a lot of pressure to pump thick oil, but as it warms up psi drops. Also when accelerating you should see it rise and then fall. That is totally normal. 50-60 while warmed up at ~2000 RPM. 20-30 PSI warm idle. Just bought a 2018 L5P and the oil pressure seems to jump around quite a bit. Every other vehicle I've ever had oil ...2008 Silverado oil pressure is fluctuating. No oil pump hasn't been changed. Engine light came on and went off as soon - Answered by a verified Chevy Mechanic ... Remove the oil pressure sensor and screw a mechanical oil gauge in its place and check pressure on the gauge. Oil Pressure - Minimum - Hot: 1,000 RPM ..... 152 kPa (22 psig) 2,000 ...Finding Gas Price Predictions - Finding gas price predictions helps you calculate fuel cost. Visit HowStuffWorks to learn about finding gas price predictions. Advertisement Crude o...1 post · Joined 2018. #1 · Jun 3, 2018. i have a 5.3 silverado 2000. as of recent (past 2 weeks) my oil pressure gauge is reading about 28-30 psi at idle and 40-55 while accelerating to 70 mph on highway. Before it was at 40 at idle and 50 at cold start and 55-65 while accelerating . i am running 5w30 penzoil high millage and it has been ...I have been looking at a 2004 Tundra Double Cab with the V8 engine. What concerned me was that at idle the oil pressure gauge dropped almost to the lower "safe range" mark. And when you accelerate it does go up. The engine does have about 130k miles on it. I was wondering if this was normal for the gauge to change that much from …They convey the status of various systems like your engine, transmission, and electrical system at a glance. Some common gauges found on a dashboard are the speedometer, fuel gauge, engine temperature, battery voltage, and tachometer. The speedometer measures how fast your car is going, while the fuel gauge displays the remaining fuel in the tank.

The gauges are placed at the oil pipe, which takes the oil pressure movement signal. The gauge has an electric sensor that connects to the engine to provide an accurate report about the oil. There is also another gauge in the car which is the mechanical gauge. This sensor detects when oil moves to the engine.641 posts · Joined 2018. #1 · Mar 14, 2020. my 98 k1500 with a 5.7 has a problem , the oil pressure will fluctuate from 40 to zero then back at highway speeds. back in sept my gauge started fluctuating at idle , so i replaced sensor , problem solved , till i went on road trip back east , coming home after several hours of driving , i noticed ...I feel like anytime I drove the truck, no matter the RPMs, my oil pressure was always stable around 275kpa (roughly 40 psi). Now I watch it fluctuate. After warming up at idle my pressure drops to around 200 kpa (29 PSI) and will surge as high as 400+ kpa (roughly 60 PSI).There are several possible causes of low oil pressure warning light in Chevy Silverado 1500, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your Silverado 1500.Checked the oil levels one more time (fine). Removed the oil filter and put on adapter & gauge. Ran the truck. The truck's Oil Pressure gauge resumed the same behavior, except now it is more likely to drop to zero reading and remain whereas before it fluctuated 5-40. The manual gauge showed normal readings ~40psi with increases with RPM.May 3, 2018 · My 2003 silverado 5.3 z71 engine rattles when cranked, the oil pressure rises slowly, and 20 psi below normal. Normally idle no less than 40 psi, now 20 psi. On hwy before 60 psi now 40 or less. what …Oil gauge fluctuation. Just purchased my truck about 3 weeks ago and looking for some insight. My 2011 only has 66k miles on it and I haven't gotten the AFM disabled yet. I noticed last week that when driving my oil gauge is sitting at 45-35 when it gets warm. During idle however it is sitting almost exactly at 20 and occasionally idles "tough ...Feb 6, 2018. #16. Overfilling the sump creates 'windage' where the the oil comes into contact with the crankshaft counterweights. It causes decreased power and frothy oil, but should not affect oil pressure. High oil pressure is due to a blocked passage. Think crimping your hose when you wash your car.1491 Technical Service Bulletins (TSBs) have been issued for the 2018 Chevrolet Silverado 1500. ... to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb ...Jun 27, 2011 · lzn197. 1819 posts · Joined 2010. #2 · Jun 30, 2011. Check and tighten your battery cables first. Some of the battery voltage fluctuation might be normal. Check your owners manual about the special feature your truck has that was designed to increase battery life. Gordon. 2004 Chevrolet Silverado Extended Cab Z71.Oil pressure gauge fluctuating. Just got my 1st oil change done. I never noticed before but now I'm getting a large amount of fluctuation on my oil pressure gauge when RPM's increase. Normal idle and run is around 30psi, With RPM increase it will spike to 80psi and then drop back down depending how hard you get on it. Oil level is correct as well.98 xj oil pressure gauge fluctuates. 98 4.0 4x4 auto classic about 165k. The oil pressure gauge used to run at 40 all the time. Now it’s suddenly gone to where it reads anywhere from 10-40. Idled usually around 10 but not always and 40 at speed. Sometimes it does not relate to the rpm and will just run somewhere in between.

Nov 12, 2020. #1. I started a new thread as to not hi-jack 08AvalancheBC. Plus, mine is a 2005 Z71. I replaced my oil pressure sensor (PIA!) back in April. Truck has been fine. However, i have been taking it on trips to our hunting camp. After going about 80-90 miles up and down mountains, the pressure gauge eventually maxes out on the high side.

Hey guys, I have an 09 Silverado 1500 5.3 and I have been having issues with my oil pressure gauge. I was driving on the highway and it suddenly dropped to 0 psi then after a few minutes it jumped to 80 psi and now stays on 0 all the time. I figured just simply the sensor waa bad since the guage was fluctuating so I replaced the sensor.Troubleshoot Oil Pressure Guage 92 K2500 305. I picked up a non-running k2500 that had been sitting for 6-7 years. It has the 305 small block. I replaced the distributor and in doing so, primed the oil pump. I could see oil coming up into the valves through the oil fill hole, so I am confident that I have oil pressure.62 posts · Joined 2011. #1 · Jan 10, 2021. Just noticed while on the highway, at about 75mph and 2200 rpm my oil pressure is reading about 77 psi. Sitting at idle I'm at about 58. I THINK I'm used to seeing this about 10-15 psu lower. I did just get an oil change and I suppose it's possible they put something like 20w50 in but I really doubt it.I have just surpassed the 6,000 mile mark and recently did the first oil change, I could not wait any longer for the "oil life" sensor to tell me to change the oil (not sure how accurate that sensor is). I am used to an oil change every 3,00 miles. Before the change, the gauge would read 40 psi at idle or while driving- no fluctuation.Online. Jul 10, 2013. #1. On a run the other day, I noticed if I'm running between 60 & 65 the oil pressure is steady at 65 lbs, when I step on it for a bit to run it up a little, the oil pressure gauge needle fluctuates very rapidly, as soon as I let off it and return to a steady speed, it stops and holds at 65 lbs. Kinda crazy as I've never ...Assuming it dropped to 25psi while stopped or off the throttle. IT is running between 25 and 30 psi at cruise speeds and about 20 psi at idle. It runs about 40 when cold. I have changed The pressure sensor and screen, that help little if any. tomorrowI am changing the oil, we'll see what that will do.Full Access Member. I believe there are other postings on this subject, but basically the oil pressure gauge will fluxuate as the strain on the engine adjusts to the driving conditions (i.e. the greater the rpms the more pressure). Mine personally will fluxuate between about 40 at idle to around 60 during acceleration.Chevrolet Silverado 1500 Classic LSu: My 2000 chevy 5.3 has…. My 2000 chevy 5.3 has started fluttering on the oil pressure gauge.. It clears up but then starts shaking back and forth pretty dramatically.. I take good care of my truck and would like to keep it maintained well without paying dealer prices..I don't mind a little fluctuation but, this thing is moving so fast it tells me absolutely nothing with the exception of complete engine failure. If I could get it down to a +/- 10 psi it would be useful. Sorry to revive an old thread. But I've also recently installed a gauge on my STi, via the oil sandwich plate.

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Feb 18, 2024 · Had all kinds of issues such as tach, oil pressure and temp gauge fluctuating. Stabilatrack, service 4wd lights on. With check engine. Had codes for no ecm communication u0100-00 in ccm, ebcm, pscm, and bcm. Pretty much every except tcm. Also had other codes for invalid data. Really seemed like ground issues. So after checking and much frustration.No mention of the '06's. 2) Other people have experienced low oil pressure while driving along - but mine is only during cold starts. 3) I have had the oil and filter changed twice - to no avail. 4) Oil level is full. 5) It isn't the gauge / sending unit - as engine noise coincides with the low pressure. Once pressure raises, engine becomes quiet.2007 Chevy Silverado oil pressure gauge fluxuating, setting off computer on dash reading "engine oil low" also warning bell sounds. Thanks! ... 2005 chevy silverado 5.3 Liter 1500 4x4 , im havn a problem with the oil pressure gauge fluctuating from 80 to zero sporaticly. Starts out showing pegged at 80 psi, then will occasionally drop to 0 ...Ours will drop to 19 or 20 and when you take off jump to 60, but if your watching your stock gauges they are way off. :woopass Proud Member of "the pup bros":woopass . 2012 Chevy Silverado 2500 HD LT, CC/SB, 4x4, 6.6L Dmax LML w/Allison. BONE STOCK. With Edge Insight monitor. Remote start. 80 gallon ATTA tank. B&W turnover ball.The oil pressure gauge going to 60 lb. over 3700 RPM, is the calibrated engine speed the oil pump goes into the high-pressure stage. No repairs should be attempted, this is normal operation for these engines. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without ...Nov 23, 2023 · 2011 Sierra 5.3L Oil Pressure Fluctuation. I’ve looked through a good number of the threads on here and haven’t quite found anyone with the same issue I’m having. So while cruising down the interstate, my oil pressure will fluctuate between roughly 22 and 32 PSI, with no change in speed or RPMs. It just sorta bounces back and forth, but ...So normally my oil pressure would sit at 60 psi but its recently been having issues so at idle it completely drops to 0 psi it did however once sit at 30 psi when i was parked at home. Its also a gradual drop so its not an immediate drop to 0 psi but it does drop. As soon as I hit the gas it jumps back up but never at 60 psi more like 50 psi.83882 posts · Joined 2006. #7 · Oct 4, 2020. That's either a faulty sending unit or bad wiring/connectors. Hopefully not the PCM input/oiutpiut. An oil pressure gauge sender is a variable resistor that changes an electrical signal with changes in oil pressure - so the gauge is actually a voltmeter. Bad or no inputs and they go freako.I ended up doing something similar to this for the transmission cooler lines. However, i just finished changing my oil and noticed a leak coming from above the oil filter housing, right where the oil cooler lines go into the system. The dealer wants 107.84 for the part, and 230 for labor. ….

You will need to connect a voltmeter to the battery when the car is running and idle. In an ideal situation, the voltage will read somewhere close to 14.4 volts but it will stay at this number and won't continually fluctuate. If the number is lower than 14.4 but it is steady and not fluctuating, then your alternator is working absolutely fine ...The valve prevents oil from flowing downwards and away from key engine components when the engine is idle. The oil supply channels within the engine leak oil if the valve is missing. After starting the engine, the oil pump will need a few seconds to refill the supply channels. During those few seconds, the pressure gauge reads relatively low.This result in aerated oil and in the case of the tiny passages of hydraulic/roller lifters they fail to fully pump up. As aerated oil accumulates the pressure drops and can be seen on. The gauge. Your oil pressure gauge on the dash should read 38-45 psi at idle even on high mileage engines. Under moderate acceleration it should easily clear 60 ...12 posts · Joined 2017. #1 · Feb 21, 2018. A few weeks back my oil pressure was lower than normal. My 5.3 is normally at 40-41 psi at idle. It was low at about 26 ish. Today when I was driving it suddenly went to 80psi and at idle around 76. When I turned the truck off and just turn the key on it goes up to about 43psi.Mar 5, 2024 · Okay not sure if this is actual oil pressure as it's only just occurred. Oil pressure gauge is fluctuating between the half way point and 275kPA on the gauge (so is the battery gauge between 14 and 12V ish although can be normal). Going to get an oil and filter change. And have a garage look at the oil pump switch.New Covid infections appear to be surging in China due to the rise of the XBB sub-lineage of the Omicron variant....PFE How many days... are left in May? "Not enough" might be the ...How to fix check engine light with P0521 & P0523. Ask My Auto Mechanic show's you the fix to a common check engine light/oil pressure gauge problem with chec...BMTahoe Discussion starter. 3 posts · Joined 2011. #1 · Oct 18, 2011. I have a 2002 Silverado Z71 pickup. The oil pressure gauge has started to flutter when at idle. When you accelerate, it seems to level out and oil pressure is good, but will it will flutter again when you return to idle. Even when it flutters at idle, the oil pressure ...I have a 2003 Silverado 2500HD, my oil pressure gauge maxs out when you first turn the key on. After driving it fluctuates between 0-80 PSI and the low oil pressure warning goes on and off. I have replaced the gauge cluster and this did not fix it. Truck still seems to be running fine with no issues. Oil is changed regular, is this a problem ...Now after an oil change the oil pressure fluctuates when cruising (between 35 - 55 psi) and the temp has been sitting at 210 degrees (right in the middle of the gauge) and fluctuates up too 215 degrees while idling or stop and go traffic but never has gone higher and always corrects back down to 210 degrees. 1. 2018 silverado oil pressure gauge fluctuations, PIP5121B Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac Escalade 2015 - 2018 All All 6.2L L86 All Chevrolet Silverado 1500 2014 - 2018 All All …, 2018 silverado***** Brand new 300 miles the oil gauge holds at 40 lbs. pressure while driving when I stop at a red light the needle drops to zero and stays ... After driving it fluctuates between 0-80 PSI and the low oil pressure warning goes on and off. ... My 03 6.0L Silverado HD oil pressure gauge pegs out to max and also get low oil press ..., Check the Voltage: A healthy battery should read around 12.6 volts. A reading below 12 volts might indicate a weak or failing battery. Consider Professional Testing: If unsure, many auto parts stores offer free battery testing, providing a more comprehensive evaluation. Evaluating the Alternator., The normal operation of this system *could* be the reason you are seeing oil pressure fluctuations. However, the oil pressure sending unit in these vehicles (and across the Chrysler brand) are known to fail and cause erratic readings. See the below video, skip to the 1:22 mark. Changing the oil pressure sensor out can be a job which requires ..., PaulTahoe. 30 posts · Joined 2021. #5 · Mar 18, 2021. I sold my Ford and bought a High Country 3.0 in late 2020, and that little 183 cubic inch motor amazes me every time I drive it. In my opinion 20 PSI is more than enough under light motor load, and if you notice throttle and RPM with the "drive-by-wire" system auto increases the oil ..., Problem is still there because the pressure is erratic and weird the way it fluctuates. Cold start gauge goes halfway up, once warm drops below 1/4 on the gauge, driving on the highway at 60 mph when you let off the gas and decelerate for turning, gauge goes back up to about 1/2 way, every time you let off the gas oil pressure increases until ..., Had all kinds of issues such as tach, oil pressure and temp gauge fluctuating. Stabilatrack, service 4wd lights on. With check engine. Had codes for no ecm communication u0100-00 in ccm, ebcm, pscm, and bcm. Pretty much every except tcm. Also had other codes for invalid data. Really seemed like ground issues. So after checking and much frustration., oil gauge fluctuates and increases with throttle Jump to Latest Follow 606 views 2 replies 3 participants last post by outdoorlife99 Jan 14, 2015, So normally my oil pressure would sit at 60 psi but its recently been having issues so at idle it completely drops to 0 psi it did however once sit at 30 psi when i was parked at home. Its also a gradual drop so its not an immediate drop to 0 psi but it does drop. As soon as I hit the gas it jumps back up but never at 60 psi more like 50 psi., Because engine oil has a detergent additive in it. That detergent can loosen accumulated sludge and put it into circulation inside the engine, where it can cause all kinds of damage, like anther clogged up oil pickup screen. Now you know. If your oil pressure gauge fluctuates while driving, there are a number of problems that could cause the issue., Nov 30, 2023 · I feel like anytime I drove the truck, no matter the RPMs, my oil pressure was always stable around 275kpa (roughly 40 psi). Now I watch it fluctuate. After warming up at idle my pressure drops to around 200 kpa (29 PSI) and will surge as high as 400+ kpa (roughly 60 PSI)., Nov 1, 2018 · Once the engine heats up it says at 30-35 at idle and increases based on RPM. 3000+ RPM brings the oil pressure to 60+psi. I only use Mobil 1 and AC Delco PF46 filter and change every 3-3.5k miles. Truck has 185,000 miles. The lifters have been ticking a for awhile and got really loud the day before I noticed the oil pressure fluctuations., Feb 1, 2020 · I will second this, mine did the same thing. Driving down the highway and out of no where my oil pressure gauge went slowly from normal operating pressure to being pinned at 120 psi. It continued to be at 120 psi from a standstill idle to freeway speeds. As soon as I turned the key and started the engine the reading went straight to 120psi., Fair Repair Range. $99 - $166. Includes parts & labor for ZIP 23917. Dealer. $138 - $166. "Dealer" refers to service centers that specialize in one or two makes and sell those vehicles. As a ..., Nov 1, 2018 · Once the engine heats up it says at 30-35 at idle and increases based on RPM. 3000+ RPM brings the oil pressure to 60+psi. I only use Mobil 1 and AC Delco PF46 filter and change every 3-3.5k miles. Truck has 185,000 miles. The lifters have been ticking a for awhile and got really loud the day before I noticed the oil pressure fluctuations., I bought a new 2013 Silverado with the 5.3 engine, was wanting to know what normal oil pressure would be for this truck. At operating temp. and driving down the road it sometimes holds 40 psi per the gauge sometimes a bit lower. At idle I would guess about 20 psi, seems low to me. Just wondering what everyone else gets and if I should take it ..., wrap a couple wraps of thread tape onto the new sensor. hop up on the core support with the 1/2" tools and new sensor. find the VACUUM hose on the brake booster follow that back to the engine, where it meets a bracket. the sensor is directly below the hose. reach under the hose and around the bracket to unhook the wires for the sensor., Advertisement Shotgun sizes have always been measured in a somewhat roundabout way. You would think that the "12" in a 12-gauge shotgun corresponds to some linear measurement -- ma..., May 22, 2014 · 10 posts · Joined 2013. #4 · Feb 7, 2015. found this thread after changing oil sending switch and filter. '07 5.3L 190K miles with fluctuating oil pressure. tries to read low with warnings unless keep in low gear or manual reving above 1K rpms. Then when warm will read about 35-40 most of the time. condition was present before changing switch ..., 5 posts · Joined 2018. #1 · Apr 24, 2018. I have a 2011 Texas Edition Silverado V8 5.3 Liter. 3 weeks ago the oil pressure pegged out. I had it replaced at a Chevy dealer. This particular chevy dealer has done all the work on my truck. The oil pressure usually read between 22 - 32 psi normally. This seems to be normal., I have a few questions about the oil pressure sensor on our engines. Lately my oil pressure gauge has been reading too low in general, especially at idle like at red lights or stop signs. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications ..., I don't mind a little fluctuation but, this thing is moving so fast it tells me absolutely nothing with the exception of complete engine failure. If I could get it down to a +/- 10 psi it would be useful. Sorry to revive an old thread. But I've also recently installed a gauge on my STi, via the oil sandwich plate., There are several possible causes of low oil pressure warning light in Chevy Silverado 1500, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your Silverado 1500., 4468 posts · Joined 2017. #2 · Jan 15, 2024. Bad stepper motors in the gauges. Extremely common issue with the GMT800 trucks. Plenty of repair services available on Ebay and elsewhere on the interwebs. DIY instructions are also available in case you are handy with a soldering iron. 2016 Silverado LT 4x4 Crew Cab., Find the sending unit’s location on the engine block to replace the faulty one. It’s often near the oil filter housing. Remove the old sending units from the engine block by unscrewing them. Then, place the new one into the engine block and screw it. Also, reconnect the tubes to the new unit and the oil pressure gauge., 2005 Chevy Silverado Oil Gauge Fluctuating and Low Oil Pressure., When the engine is cold it stays at about 40 psi. When the engine gets warm, the pressure drops. When I am running at speed it stays around 30 psi. At an idle it drops to about 5 psi and the "check gauges" lights come on. My guesses are either that I have a bad oil pump or worn bearings. It is not smoking or knocking., Since you have the sender out seems like an option would be to determine the thread size. From there you can search to see the availability of an adapter. Another option is to get a sandwich adapter that goes under the oil filter. Those adapters generally have 1/8-27 ports. Try searching using "oil filter sandwich adapter" as the search terms., Feb 4, 2024 · That should remove any air. Then drive it around, let it completely warm up, then let it cool for several hours and check resevoir to see if it's filling back up to max. If for some reason it's still not full, add to the reservoir. It should stop fluctuating. 2003 Silverado 1500 2wd 4.8L automatic., welaish. 508 posts · Joined 2013. #20 · Jan 21, 2017. The oil pressure is linear formula with rpm. You should get 10 psi with every 1000 rpm. I have innovate motorsport gauge as well and I dont have any flactuating at all only 1-3 psi. I am getting the measurement from the rear oil galery under the intercooler., Jul 17, 2014 · My question is what is Normal oil pressure I have the 4.8 motor when motor is at normal operating temp ( 210 ) and while sitting at a light my pressure drops to between 25 28 pounds IS THIS NORMAL . While driving at 40 MPH the pressure is 40 pounds is this normal at 65 MPH it is around 44. I run 5-30 oil (Castrol ) Synthetic with a AC oil ..., How to fix check engine light with P0521 & P0523. Ask My Auto Mechanic show's you the fix to a common check engine light/oil pressure gauge problem with chec..., oil gauge fluctuates and increases with throttle Jump to Latest Follow 606 views 2 replies 3 participants last post by outdoorlife99 Jan 14, 2015