2018 silverado oil pressure gauge fluctuations

The battery gauges on most vehicles I have owned stays around 13 to 14 volts and doesn't move much unless something that consumes a lot of power is turned on. Mine does this with nothing additional running on the truck other than the radio and a/c. This morning the needle was about 1 volt below (13 volts) the middle mark (14 volts) on the gauge.

When first starting the engine with cold oil, the oil pressure can be up to 100 psi or 690 kPa (full range of oil pressure gauge) at idle conditions. This is normal with cold oil and internal relief valves in the engine will be active. As the engine oil temperature rises, the idle oil pressure will reduce. This is considered a normal condition ...GN, the oil pressure port for the dash gauge is probably where you will need to tee off to install a mech gauge. Its located at the very back of the intake manifold a little toward the drivers side. Somewhat hard to get to. This is an older thread, you may not receive a response, and could be reviving an old thread.2 posts · Joined 2018. #1 · Mar 1, 2018. I have a 1990 chevrolet Silverado with a 5.7 in it. Noticed that the oil pressure gauge will be a 30 psi, when first cranked up. Then after you run it a while it will drop to around 16psi. When I stop in gear it will drop down and the check gauges light will flicker , with the gauge showing around 10 ...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.4 posts · Joined 2015. #1 · May 3, 2015. I recently bought a 2003 Silverado LS 4X4 with the 5.3 Vortec. 172,300 miles on it. When first cranked the oil pressure is around 40. When it is warmed up it falls. Driving it stays around 20. At idle it is between 5 and 10. Pressing the accelerator while in park increases the pressure, but falls again ...2014-2018. 2007-2013. 1999-2006. Lifestyle Browse Categories in Lifestyle. Air Horns; Apparel; ... Shop Silverado Gauges. ... Using this gauge will let you know that the oil is doing its job. Low oil pressure is a direct indicator the oil level may be low or there is a problem with the engine’s rotating assembly.

Also, while the engine is running, the gauge reads between 27 to 68 PSI. In general, Ford F150 oil pressure gauge fluctuation happens due to a drop in oil level, clogged oil filter, poor quality gauge, and temperature variation. Furthermore, it fluctuates continuously due to faulty sender, broken crankshaft, and loosening of wire connector.If your oil pressure is low, high, or if you have any other maintenance needs, stop by Chevrolet of Homewood. We're easy to find at 18033 Halsted St. in Homewood, IL, and you can give us a call at 708-799-2000. Our experienced service team is happy to talk you through your car's oil system, including deciding what kind of oil your car needs.Park on a steep incline facing nose down. Add 1 extra quart of oil (don't drive with the extra oil in there) See if the oil pressure comes up. If it does, it indicates the o-ring at the pump is sucking in air instead of oil thru the pick-up tube. (The nose-down angle and extra quart of oil will make the oil in the pan cover the o-ring area so ...Fluctuating Oil pressure troubleshooting. Hey, I have a 2009 GMC sierra 5.3 L V-8. About two months ago when I was on the highway I looked down and noticed my engine light was on and my oil pressure was around 20 PSI. I turn my tuner on and saw that the engine Was saying low oil pressure so I pulled over.Mar 28, 2018 · 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 4.3L LV3 5.3L L83 6.2L L86 All Chevrolet Suburban 2015 - 2018 All All 5.3L L83 AllA few months back my 2013 F-150 randomly stalled on me while stopped at a red light. Started back up no problem. Last week I was parked for about ten minutes and it stalled out. This week my truck starting making a beeping alert sound and the oil pressure gauge fluctuates all the way to "L" and feels like it's going to stall out.Help please, oil pressure gauge moves back and forth - SOLVED. Thread starter novemberr; ... Oct 22, 2018 Posts 1,374 Reaction score ... had some issues (oil pressure / charging) steiny93; Mar 12, 2024; Engine & Drivetrain; 2. Replies 13 Views 851. Mar 12, 2024. j91z28d1. J. Oil Pressure.All with the same end result. Pressures are normal and no lights for about 10 miles then the pressure starts fluctuating from 20 to 40 and dropping to zero when stopped. ... #2 · Dec 25, 2023. I would start with measuring oil pressure with an analog gauge. There should be a port at the front drivers side (at least there is w the 6.0/5.3 ls ...

2 posts · Joined 2018. #1 · Mar 1, 2018. I have a 1990 chevrolet Silverado with a 5.7 in it. Noticed that the oil pressure gauge will be a 30 psi, when first cranked up. Then after you run it a while it will drop to around 16psi. When I stop in gear it will drop down and the check gauges light will flicker , with the gauge showing around 10 ...A pressure gauge allows a fluid to enter from the item or equipment being measured and reacts by moving a calibrated rod inside it. The pressure can be correctly read when the rod ...What is involved with the valve lifter How do you verify the oil pressure. HI, Remove the intake manifold and then unbolt and remove the valve lifter oil manifold from the engine valley. Remove the oil pressure sensor and screw a mechanical oil gauge in its place and check pressure on the gauge.May 15, 2012 · The oil pressure in my 2001 Silverado 1500hd 6.0 is fluctuating. According to the pressure gauge in the instrument cluster, it has normally stayed around 45psi. Here lately it has been dropping when I am at idle until I have driven for a while. At first it was only dropping to about 20psi and now has started dropping all the way to 0psi and my ...The needle is supposed to move, on Fords the needle stays at one pressure setting but on Chevy's the needle will fluctuate. As long as it isn't like flying from 20psi to 60psi or some outrageous number you are fine. The needle will move. It is normal. 1999 Silverado 1500 LT LQ4.

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Causes of 5.3 Oil Pressure Fluctuating. The 5.3 oil pressure fluctuation is apparent as the light illuminates in the dashboard. As the light illuminates, it is a sign that requires you to turn the engine off or stop driving at once. However, if the oil pressure is zero or low, it will damage the engine. The oil pressure gauge fluctuates ...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 ...Oil pressure gauge is fluctuating up and down, even at a steady RPM on cruise control... Oil pressure sending unit (and filter) replaced with OEM part January 2022, about 25,000 miles ago. ... PM 2018. PM 2017. PM 2016. PM 2015. PM 2014. PM 2013. PM 2012. Full Member. Joined May 3, 2012 Messages 6,156. Apr 3, 2024Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - oil pressure gauge fluctuation - Hey y'all. Today, my oil pressure gauge started swinging. At idle and off-idle it will bounce on the L and climb to the middle of the range at highway speed but slowly drops back to L and bounces.

643 posts · Joined 2016. #7 · Jun 30, 2018. It sounds like the gauge may be operating fine here, and the oil pressure sensor is the culprit. Those stepper motors are buggers themselves, but they jump around erratically mostly, and often don't reset during ignition cycles. I had a speedometer needle start acting up on me by not going back to ...Oil pressure gauge is fluctuating up and down, even at a steady RPM on cruise control... Oil pressure sending unit (and filter) replaced with OEM part January 2022, about 25,000 miles ago. ... PM 2018. PM 2017. PM 2016. PM 2015. PM 2014. PM 2013. PM 2012. Full Member. Joined May 3, 2012 Messages 6,156. Apr 3, 2024Good evening, I have a 2001 Silverado 1500 with the 5.3 and have an issue with my oil pressure gauge. It is reading past 80 psi constantly, regardless of whether it is on or off. The first thing I thought of was to replace the oil pressure sending unit. I have had plenty of LSX F-Bodies and am familiar with their issues.One of the most serious issues that can happen to your Chevy Silverado ‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed.Step 3. Hold the end of the unplugged wire from the sending unit, and touch it to the negative part of the battery or to any other metal piece in the vehicle. If it shows zero on the oil gauge, it is a good sender and is not faulty. The oil pressure sensor, often referred to as the oil pressure sender, is a unit responsible for telling a ...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..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.Another one with oil pressure sensor issue. P0521 code. Back story. 2010 Silverado 5.3l 138,000 miles. Due for an oil change. Oil pressure reads between 30-50 psi. A couple weeks back, oil pressure dropped to 10-30 and the MIL came on, code read as oil pressure sensor. Watched all the youtube vids on how to replace.The oil pressure gauge was pinned to max all the time in our Chevy Silverado. With the ignition turned on and the engine off the needle would still go to ma...Bad Sending Unit. Another common cause of an oil pressure gauge fluctuating is a faulty sending unit. The sending unit is responsible for sending the correct information to the gauge. If it's not working properly, then the gauge will fluctuate erratically. The only way to fix this issue is to replace the sending unit.

Oil Pressure Gauge Fluctuates It is measured in pounds per square inch or psi. Your oil gauge should read around 20-30 PSI on a cold start, but if it falls below 10 PSI after even a cold start, you should get the car vehicle diagnosed by a reputable mechanic or narrow down the probable causes from the list above.

3 posts · Joined 2012. #1 · Jan 4, 2012. I have a 2004 duramax and my oil pressure started acting up and dropped where the warning buzzer went off d when ihit the gas it went up but not p to normal. I let it sit over night and started out normal between 30 and 60. I took it to a dealer aftr talking to many mechanics and they all told me ...Anyone have a 2018 Equinox that the oil pressure goes from 30psi to 65psi when under slight load or going up a small incline. The rpm's stay the same just the oil pressure goes up, this is different from any GM or other vehicle I have ever driven. ... '16 Equinox LTZ AWD 3.6 -'23 Silverado LTZ 6.2-'20 Traverse High Country-Ski Doo's-FLHR-F3S ...My truck is an 04 silverado 2500hd 6.0L, 120k miles, oil pressure has been low since I bought it at 112k, but I got slightly worse. It used to have 0 oil pressure at startup unless you reved it slightly once to get into raise. Oil pressure now is at 35 on startup, falls to 18-20 on idle. And moves up slightly while driving with regard to rpms ...Aug 21, 2022 · 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.Shop 2007-2013 Chevy Silverado Gauges. Hand-picked by experts! Pay later or over time with Affirm. ... to install some extra gauges. They help you track all kinds of useful information, like exhaust gas temperature, oil temperature, boost pressure, and water temperature. If you go with a tachometer, not only can you watch engine RPMs, a shift ...Reasons for a fluctuating oil pressure. While it is normal for an oil pressure gauge to fall and rise while driving, here are some reasons why it happens. 1. An actual automotive problem. An oil pressure gauge can rise and fall if the car has an automotive problem, but it is rare. 2.283 posts · Joined 2014. #7 · Dec 4, 2014. I had to replace the oil pressure sensor in both my '05 GMC and my wife's '06 Tahoe. In my GMC, it pegged and never came back down. In the Tahoe, it pegged and then a day later went to zero and moved slightly with acceleration. Replaced the sensors and back to normal.6 posts · Joined 2011. #1 · Jun 13, 2011. I have a 2000 silverado 4.3l and just recently the fuel gauge will drop all the way to empty or half a tank while im driving or at idle. And this is after I have just filled up. The truck doesn't hesitate or anything like it's not getting gas, it's just the gauge acting erratic.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.Oil pressure must go up with higher rpm's. 38-40 at idle and 60 or so at high rpm would be more normal for that truck. I'd guess you have a gauge problem (common on that generation truck) or a sending unit problem. '13 SLE 4x4 ExtCab 5.3 6sp 3.42 G80 Z82 Z60 Fire Red. Bought new. 25,700 miles. Frk9100.

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To me the oil pressure seems low as mine is showing 22psi on idle with the gauge only at 1/4. I am used to the oil pressure gauge near half. What oil pressure is normal for this engine? ... 2018 GMC Canyon SLT CCSB V6 Mallett S/C 4.10 R&P Trifecta Trans Cal front eLocker 2006 Chevrolet Silverado LT CCSB 6.6T LBZ Diesel. Save Share. Like. This ...Among the other issues I listed wrong with my 2007 1500 6.0 VortecMax in another post is the oil pressure gauge isn't working. After picking up the truck from my ex wife and driving about 80 miles i noticed no oil pressure. I immediately called her and she said it hadn't worked in months. So it must have oil pressure or the engine would be toast.4 posts · Joined 2023. #1 · Oct 5, 2023. 2000 Chevy Silverado 1500 4.8L 8cyl. About 2 days ago I did an oil change on this truck and added 6 quarts of 5w-30 full synthetic oil. Before the oil change, the oil pressure gauge was reading 40 PSI regardless of my driving conditions, highway, or city. Now after the oil change, the gauge reads 40 ...11 posts · Joined 2008. #1 · Oct 21, 2008. I am noticing the the oil pressure gauge fluctuates from about 30 PSI to 60 PSI depending on RPM. Also when cold the pressure tends to be higher at low RPM and drops down to around 30 PSI as the engine warms up. Engine temperature and oil level appear normal. This is my first diesel engine and GM truck.Oil pressure sensor issues are common on 2003-2006 models but could also be cluster, run full scan with live data to verify to see pcm data feeding to cluster. If data shows good oil pressure but cluster pegged, stuck, etc. rebuild cluster. Have also seen this issue in 2007-2013 Full Size Truck/SUV usually sensor/sensor wire etc.Nov 8, 2015 · 226 posts · Joined 2013. #1 · Nov 8, 2015. Last week I noticed my oil pressure gauge was fluctuating at random times between 20 - 60psi. I kept a watch on it & it started acting normal again until last night. While driving to the store I noticed the oil pressure gauge had pegged out at 80psi. Of course I freaked out and started to pull over.Jerry Bransford. It is absolutely normal and indeed 100% normal for any engine with an engine-driven oil pump like all our Wranglers (and most other engines) have for the true oil pressure to vary in step with the engine rpms. A good rule-of-thumb for good acceptable oil pressure is 10 psi per thousand engine rpms.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.Silverado oil pressure gauge fluctuations for sale. Oil filters are used in cars to protect engine components from dirt, dust, and debris that can clog up an engine. My oil pressure gauge drops to 0 while driving. It might be the case that there's simply a loose connection or faulty wiring that is causing the low oil pressure. You might need a ...Electric ones can corrode and, since the sensor is activated over a tiny range of electrical resistance measures, a bit of corrosion can cause wide changes in readings. Unlike many of the gauges on a car which are understandable with common sense and simple logic, the oil pressure gauge sometimes seems to be erratic.Bad Sending Unit. Another common cause of an oil pressure gauge fluctuating is a faulty sending unit. The sending unit is responsible for sending the correct information to the gauge. If it’s not working properly, then the gauge will fluctuate erratically. The only way to fix this issue is to replace the sending unit. ….

Have a 2003 silverado LB7 4wd, 170+k on it.Oil pressure gauge began fluctuating a few weeks ago and finally started going to zero when warm. Low oil pressure would show in milage window. No ding sound. Replaced stepper motor. Same pbm. Want to change out oil sending unit but can't find location. Not above oil filter or any where close.I have been seeing some weird oil pressure gauge fluctuations lately. Recently I changed the oil pressure sensor at the back of the block by the camshaft sensor. Before I was getting 40 -70 psi and now I am getting 35-55 PSI and the pressure is going up and down 10 or so PSI when rpms are held steady at say 2000 rpm.I have been reading as many post as possible but did not find my situation yet. 2005 silverado 5.3, 225000 miles. oil pressure gauge is fine until I reach 75 mph and about 2k rpm, then drops and jitters between 0-45 psi. I slow down to 70 rpm 1800 rpm and everything is back to normal. idle pressure 45psi. never any noise issue runs like a dream.Among the other issues I listed wrong with my 2007 1500 6.0 VortecMax in another post is the oil pressure gauge isn't working. After picking up the truck from my ex wife and driving about 80 miles i noticed no oil pressure. I immediately called her and she said it hadn't worked in months. So it must have oil pressure or the engine would be toast.When the engine is cold the oil is thicker and will have much higher pressure than once it is fully warmed up. 40 - 80 at speed is not crazy high. The rule of thumb is a minimum of 10 psi of oil pressure per 1000 engine RPM. More PSI to a point is not a bad thing.Jun 4, 2018 · Mdesteiguer Discussion starter. 28 posts · Joined 2018. #1 · Jun 4, 2018. On my '02 Silverado the oil pressure stays constant at 40-42 psi from idle to 70mph. It usually sits at about 45psi at idle and 70-80psi at 70mph. Engine seems to be running very good as it usually does.This morning driving to work, I was at a stop light and my oil pressure gauge dropped to almost 0 and the low oil pressure, turn engine off light came on. ... 09 Silverado CC 4x4, Z71, Blackbear AutoCal, Magnaflow 12589, Airaid Jr. 2.5 TCC Level, 20" Foose w 285/50/20's 5k Hid's Hi/Low, 6k Hid Fogs.Jun 22, 2014 · We have an 04 Chevy Silverado 4.8L 115,000 miles recently the truck has been having an issue starting, and the lifters are making noise till the truck warms up. So we are thinking starter and not so sure on the lifters. This truck gets an oil change every 3,000 miles with Mobil 1, lucas and either a wixs or K&N filter since we brought her new. 2018 silverado oil pressure gauge fluctuations, 2004 GMC DRW said: The temp gauge fluctuates from normal (185-200) jumps to 250-270 than immediately back to normal. My Banks confirms the temp change. Please tell us exactly what problem you are dealing with. And tell us what Duramax engine we are dealing with. Ron Nielson - Most of the information I provide relates directly to my …, The gauge only goes up to 70 psi and it's normal for the V6 to bury the gauge when it's cold only, once it warms up it will still hit 50 psi a lot and idle around 30 psi which is normal for the 3.6 it has a high pressure/ high volume pump for it's 5 miles of timing chains needs tons of oil dumped on them. The V8 will not bury the gauge ever., 12 posts · Joined 2009. #1 · Jan 13, 2011. I have a 2004 silverado 1500 that my oil pressure gauge on my cluster is maxing out. It's completly all the way to the right way past the 80 mark. Ive asked around including two of my mechanic buddies and have gotten mixed results. Most saying its just the pressure sending unit thats out but then ..., 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 ..., An oil pressure sensor or switch sends signals to the engine computer, and may also directly or indirectly trigger your oil pressure gauge or low-pressure warning light. If the oil pressure sensor or switch in your vehicle stops functioning properly, it could provide inaccurate readings or fail to send oil pressure measurements at all., 1 2. ASTE25. 13239 posts · Joined 2011. #2 · Sep 3, 2015. I would suspect a bad oil pressure sensor. I would suggest before driving it (or starting it) to take the sensor out and installing a manual oil pressure gauge to check to see if it actually has good pressure. Low oil pressure can destroy an engine in no time., 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 ..., Oil pressure. Warm: 600-1,200 rpm: 34.7 kPa (5.03 psi) min; 1,201-3,500 rpm 206.8 kPa (29.99 psi) min; 3,501 - 6,400 rpm 427.0 kPa (62 psi) min; Cold: 958 (139 psi) Source: Chrysler Pentastar Engines - Specifications. "A chain-driven, vane-type variable displacement oil pump adjusts the flow rate and pressure as commanded by the engine ..., Feb 10, 2018 · The only time I can get it to go above 35 psi now is if I push the engine hard, like around 2500-3000 RPM. But at normal cruising speed around 60 mph, 6th gear, (with the 3.42 ratio) it's around 30 psi. I'm due for an oil change in another 1,000 miles so I may top it off, get the oil changed, and see if it happens again., 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 ..., I began noticing oil drips after taking my truck to an oil change place. And now a couple weeks later I notice my oil pressure fluctuating where it wasn't before. Or at least not this dramatically. @20-50 psi. Today it was closer to the twenty than the fifty. I stopped to check the level and saw it was low. Added some and pressure rose to over 40., The other day, I was on my way to pick up a motorcycle and noticed that my oil pressure gauge was fluctuating. Oil level is good, and I replaced the oil pressure switch with no luck. ... Join Date: Jan 2018. Location: Memphis, TN, Earth, Milky Way. Posts: 11,256 Likes: 152 Received 1,739 Likes on 1,493 Posts Quote: Originally Posted by ..., I replaced the sensor and screen as is typically the issue. The screen had some debris on it, bit not terrible. Oil level was full. Cleared codes. Oil pressure was ~30-35psi on start up after new sensor/screen. He started it up this morning and oil pressure was normal for a bit, then dropped to ~10psi and check engine light came on., 247 posts · Joined 2010. #1 · Dec 17, 2016. 09 Sierra 5.3...I started it up last night at about 10:30PM it was like 21* out. The oil pressure maxed out at 80. I drove it 1 mile and it went to Zero. I heard no tapping or anything that would cause suspicion on actually have no oil pressure, so i drove it 20 miles to a gas station., 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., 1. Change oil filter/oil. 2. Put mechanical gauge on and replaced sending unit. 3. Replace oil pump main and rod bearings. Only thing left in mine are the cam bearings that could be messing up my pressure hope you have a better out come. 2001 Jeep Grand Cherokee Laredo 4.0L Selec-Trac 2.5" ROR lift. 1977 Trans Am 400 bored 40 over new paint new ..., 6 posts · Joined 2011. #1 · Jun 13, 2011. I have a 2000 silverado 4.3l and just recently the fuel gauge will drop all the way to empty or half a tank while im driving or at idle. And this is after I have just filled up. The truck doesn't hesitate or anything like it's not getting gas, it's just the gauge acting erratic., 6 posts · Joined 2011. #1 · Jun 13, 2011. I have a 2000 silverado 4.3l and just recently the fuel gauge will drop all the way to empty or half a tank while im driving or at idle. And this is after I have just filled up. The truck doesn't hesitate or anything like it's not getting gas, it's just the gauge acting erratic., Assessing Oil Pressure on Certain Full-Size GM Pickups. Should you encounter a fluctuating oil pressure gauge on certain GM pickups, namely the 2019–2020 Silverado 1500 and Sierra 1500 (particularly with the L3B 2.7L four-cylinder engine), there’s no need for alarm. The trucks employ a variable displacement oil pump that, in certain driving ..., 07 Sierra 5.3 Oil Pressure Issues. Gentlemen; i have a 2007 GMC Sierra SLE 4X4 5.3 that has 243K on her but runs fine have replaced oil pressure sending unit twice (which by removing a portion of the rear manifold back plate plastic hose holder became an easy project) and still have intermittent oil pressure readings and when i turn on ignition ..., 8 posts · Joined 2018 Add to quote; Only show this user ... #1 · May 9, 2018. I have a 2009 Silverado with 120k Miles and I've had the same issuers but without the lifter noise and I've replaced everything literally except, camshaft bearings. ... --Wrong Oil Filter--Faulty Oil Pressure Gauge on Cluster, 1. Change oil filter/oil. 2. Put mechanical gauge on and replaced sending unit. 3. Replace oil pump main and rod bearings. Only thing left in mine are the cam bearings that could be messing up my pressure hope you have a better out come. 2001 Jeep Grand Cherokee Laredo 4.0L Selec-Trac 2.5" ROR lift. 1977 Trans Am 400 bored …, I think it is probably a bad oil pressure sensor. This used to be a common problem with the 90's chevy trucks, don't seem to here about it to much anymore, but I have had several trucks that did this and replacing the oil pressure sensor cured the problem. The sensor used to be screwed into the drivers side cylinder head on the old 454 v8 , and ..., Make sure the oil indication is truly faulty, though. My experience is that a faulty gauge will not set off the "oil pressure low" indicator. If you have a dirty throttle body (how many miles do you have, and has it EVERY been cleaned), and your idle is fluctuating down to 300-400 RPM instead of the commanded 600, then the oil indicator is right, and you need to solve the erratic idle problem., 95 Chevy K1500 5.7 wacky oil pressure gauge. Oil pressure gauge starts at 40 psi when its started..after about 15 minutes it continually starts to drop. Accelerate and it jumps back up a little but not back to 40. Changed the oil, changed the oil pressure sensor under the distributer. There is no pings or knocks., 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., When your vehicle has proper oil pressure, you will see the needle in the oil pressure gauge in the middle of the scale, and there will not be any low-pressure warning indicator light. The oil pressure should range between 20 to 30 psi when Chevy 5.3 is idle. The Chevy 5.3 engine should range between 45 to 70 psi at driving speed, equivalent to ..., The oil pressure gauge was pinned to max all the time in our Chevy Silverado. With the ignition turned on and the engine off the needle would still go to ma..., Feb 9, 2024 · 3. I try to watch the gauge now and what started happening was that after about 3500-4000KM i would notice that the oil pressure gauge would go from running just under half. (275 on my gauge see picture attached) to just over the 1/4 line. If I changed the oil it would go back up to the half mark and stay there again until another 3500-4000 KM. 4., Boost Gauge 2015 Silverado. ... 2018. Dfresh15 Discussion starter ... I installed CTS2 with Autometer Cobalt Digital EGT/BOOST/FUEL PRESSURE 2015.5 3500 HIGH COUNTRY . Attachments. image_1448946799050.jpg. 32 KB Views: 2,976. 2015 Chevrolet 2500HD. PPEI Stage 1 Tuning 4" FloPro DP Back ehxaust, Step by Step Fixing Guide for Low Oil Level (DIY) Step 1. Inspect the oil level, if the oil level is low, the engine could burn oil, leak oil, or be neglected. Adding oil may temporarily ease the low oil pressure problem, but the problem may recur unless you maintain the oil level appropriately. Step 2., Just read thru this post after my oil change today. Stock Ford filter, 10qts Mobil 1, 5W30. Took it out for a short run, and noticed the oil pressure gauge pegged. It would stick there and then drop back down to a more normal range at normal driving. Any hard RPM increase would peg the gauge., My oil pressure drops to around 30 psi hot idle and around 40-45 cruising around town. It has always been higher then this. I will change it sometime this afternoon and see how it performs. Going back to an STP. F. Firebirdman55 Discussion starter. 51 posts · Joined 2016. #7 · Feb 2, 2018.