Oil light has never come on, but I also don't want to assume the gauge is 100% correct (pressure sensor and filter were replaced about 3 months ago). 2013 Silverado 1500 LT Crew Cab 4X4. Silver Ice Exterior. V8 5.3L Vortec w/ 6-Speed. OPTIONS/ADD-ONS: 6" chrome tube step bars, Protection package, Rear bumper step, Line-X Bedliner.Symptoms of a bad and failing oil pressure sensor. If the oil pressure gauag shows 0, 20, 60 or 80 then it is possible the oil pressure sensor is faulty. If ...Feb 14, 2022 · The possible cheap fix to this issue can be a simple oil & filter change. However, if you regularly change the oil and the filter, we bet the problem lies in your oil pressure pump or sending unit. 3. Loose Wire Connection. If your oil pressure gauge acts erratically, we bet the issue lies in the electrical connection.If your oil pressure gauge is fluctuating, the first thing you should do is check the oil level and top up if necessary. If this doesn’t solve the problem, then check …The oil pressure gauge starts at zero when the engine isn’t running. Its indicator needle will return to zero during idling. It takes about 20 minutes of running the engine nonstop to normalize the oil pressure. Once the pressure stabilizes, the oil pressure gauge will move its indicator needle to the halfway mark.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.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 …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.Suburban LT3 5.3L V8. Automatic transmission. 30,000 miles. The vehicle will have a fluctuation on the oil pressure gauge from approx 35 psi to low 20's at idle. When oil pressure fluctuates, there is a noticeable amount of vibration from the motor. I not talking about oil pressure drop after coming to a stop, but instead when car is standing ...1998 k1500 OIL pressure switch. so lets start with the description. 1998 chevy k1500 5.7 V8 Z71. i recently replaced fuel pump, intake manifold gasket, and oil pressure switch. i had great oil pressure after i did the intake manifold gasket. about a week after i started to notice that my oil pressure would drop to almost 0 once stopped at a red ...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 ...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.I understand the sensors are most likely different as the S10 is a 4Cyl and my Silverado is the 5.3L V8. ... Initially after starting engine, the oil pressure gauge stays at 40psi or just under. Even once engine has reached operating temperature the gauge doesn't move until after driving for at least 5 minutes. Then the gauge starts reading ...Symptoms of Oil Pressure Problems. The first time I ran across the Chevy engine oil pressure problem the customer complained about an oil gauge that read zero and a check engine light. Obviously, the motor was getting oil pressure, because there wasn't any noise. After connecting a scan tool I found a code P0521 and trouble code P0523.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 ...Small 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.First step would be to see if the sensor is working or not. It is unlikely that the pressure is actually 110 PSI, so safe to assume that something is not working, but it could be several things other than the sensor itself. That said, the idea of a mechanical gauge just for peace of mind is not a bad suggestion.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 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.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.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 …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.1. Running a motor flush through the engine and changing the oil to clean out any sludge in the pan. 2. Replacing the oil pressure switch. 3. Dropping the oil pan (after I drain the oil of course) and taking it and the pick-up screen to a shop and having them cleaned completely out.If you have a car, chances are you also have a tire-pressure gauge. Learn how this pen-sized device measures air pressure and why the little stick inside doesn't just fly right out...Benchmark oil prices bounced around late Tuesday into Wednesday as the energy market tried to gauge the effects of a Trump presidency. By clicking "TRY IT", I agree to receive news...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 ...Small 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.I have a 2010 Silverado 4x4, started having low oil pressure problems. Changed the sensor after making sure there was plenty of oil. Problem went away. Few months later had the problem again, along with a misfire on #4. Ended up having a collapsed lifter which also damaged the cam shaft.2005 Silverado - Oil Pressure Gauge Pegged Out. This morning on the way to work my oil pressure gauge pegged out. While running, the needle is absolutely maxed out even beyond the highest reading on the gauge. When I cut off the engine, the needle falls back about 1/2 to 3/4" but still is not even reaching the highest reading.Probably 55 or so, but as the oil warms up it settles in at 38-39 and sits there while cruising steady. If, I get on it, it rises but then settles back down when I get off the gas. If I idle, it will go down to about 25-28 and hang there until I get back on the gas. 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg.If the oil pressure gauge in your Chevy Silverado, Avalanche, Tahoe, or Suburban is reading no oil pressure, excessive oil pressure, or if the oil pressure g...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 ...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 1500.2014-2018. 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.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 ...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 ...8663 posts · Joined 2015. #2 · Dec 31, 2023. Normal pressure, then dropping as the oil temp goes up, is unlikely to be just the oil pump. It's more likely to be worn bearings. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed.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 ...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 filter . I feel this is low compared to my last one with the 4.3 motor which ran around 55 PSI at 65 and 40 at Idle . Thanks. I forgot to add that it now has 45000 miles on it.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.Every now and then the oil pressure gauge drops to zero. It only happens for a few seconds, and engine RPM is not a factor. This morning the gauge bottomed out and the oil light came on (a first for the light). I'm thinking sending unit, as I've read on the 4.6/5.4 side that this is a common problem. The truck is a '99 F350 with 81,000 miles.Shop 2014-2018 Chevy Silverado Gauges. Hand-picked by experts! Pay later or over time with Affirm. *Free Shipping on Orders Over $119* FREE 1 to 3-Day Delivery on Orders $119+ Details. Hello, Sign In My Account. ... Prosport 52mm Digital Oil Pressure Gauge; Electrical; Blue (Universal; ...If the oil pressure gauge on your Toyota is fluctuating or not working at all, the oil pressure sending unit may be the cause of the problem. The first thing to do with any oil pre...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, 2024So after driving around a few days I was able to get average readings from live data on the scanner. Basically for all the fluctuations on the gauge the temperature is steadily between 106 and 109 deg Celsius. Mostly just sticking at 108 deg Celsius even when the gauge is moving wildly.Jan 11, 2021 · 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.The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), is responsible for monitoring the oil pressure. The ECM will send a signal to the gauge on the dashboard, which will then light up and indicate to the driver that there is an issue. If the Chevy Silverado's oil pressure drops too low, it can cause engine damage.Jun 18, 2018 · 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 ...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 ...May 7, 2018 · 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.Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in. Canada 10953437). Chevrolet recommendations and specifications for oil and fluid for 2018 Silverado 1500. Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2018 Chevrolet Silverado 1500 user's manual.Surging idle. I have a surging idle all the time nearly / rough idle especially when first starting the vehicle after sitting a bit; while occurring Rpm's fluctuates between 500-800 mostly but sometimes however can reach 1000-1100 on the high end of of the rpm oscillation and from what I've noticed from times I paid close attention to it, after ...Very low reading. Very high reading. Other reasons why your Chevy Silverado oil pressure gauge is not working. Oil requires change. Blocked oil filter. Blocked oil …Oil pressure varies in direct step with engine RPMs... low pressure at idle RPMs, higher pressure at higher RPMs. The faster the engine revs, the harder the oil pump works & the more oil pressure it produces. A good rule-of-thumb for acceptable oil pressure is around 10 psi for every thousand engine RPMs. Finally, most of the aftermarket oil ...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.It will normally do it around 3500 RPM's. It is my understanding when it goes to high pressure is when the piston cooling oil jets fire. It is normal. 2015 Silverado LS Crew Cab L83 5.3, 3.08 ratio, Silver Ice Metallic. Elite Engineering Catch Can. 2014 Carolina Skiff 238 DLV Evinrude E-TEC 150. Like.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 ...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.Fittings are NPT, national pipe thread. This will be either 1/8, 1/4 or 3/8". Japane. se never figured out how to taper a metric thread so if it's got a taper threaded fitting, it's NPT. M. manicmechanic1961. 31 posts · Joined 2012. #7 · Oct 27, 2012. Summit Racing shows an adapter to go from 10mmX1 to 1/4npt.Reaction score. 51. Location. Mississippi. ‘98 k2500 5.7 4x4: once the engine warms up, there are times when I’m completely stopped, in DRIVE, with the truck idling, and the oil pressure drops so low that the truck wants to stall. It doesn’t stall, but the engine starts to shudder enough to shake the cab. I’ll put it in neutral and the ...Chevy & GMC no oil pressure reading on gauge, gmc, chevy, chevy sub low oil pressure. In this video i will show you why you have low oil PSI readungs on you...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 …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.Comcast internet speeds (also known as Xfinity) depend on numerous factors, especially the router you're using, the health of your computer, congestion on the network and any physi...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.My oil pressure gauge does all kinds of weird things. I thought it was the sending unit. i replaced the sending unit, with what turned out to be a bad unit. the gauge still didn't work and I got a DIC warning saying no pressure. Put a 3rd sending unit in and the gauge is still messed up but the DIC warning is gone.oil pressure fluctuates (drops a little) during acceleration. ... the gauge doesn't drop to 20 psi (which is approximately my idle pressure) until I almost stop, then it seems to drop from 35-40 psi to 20psi in a matter of 2 seconds. ... 2013 Silverado 1500 LT Crew Cab 4X4 Silver Ice Exterior V8 5.3L Vortec w/ 6-Speed OPTIONS/ADD-ONS: 6" chrome ...I have a 03 Silverado 2500HD with the 6.0L gas motor and my oil pressure gauge fluctuating while I am driving on the flat free way in overdrive and not chang...Still Not a Moderator. Changed oil 2 weeks ago. No issues with gauge or otherwise. Drove this morning, gauge normal. Got back in truck a little while ago and gauge reading zero. Stopped immediately, looked for leaks. None. Checked my oil level (dipstick) , oil level still totally full. No engine knocking or abnormal sounds.Silverado Oil Pressure Gauge Fluctuations In Temperature. So I've searched the forum and found some things like this but not ... P0523, and P0524. I just purchased a 2018 GMC 2500HD Denali and ever since I bought it I have noticed that the oil pressure gauge jumps around a lot. Put at idle, either in park or drive, the pressure …I'll get an low oil pressure warning get back on the throttle. And the coolant gauge is worse. Factory gauge reads 210 and on edge is 185. Factory gauge doesn't move to 215 and then starts to rise. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles.5.3 oil pressure maxed out 80 psi. Hey guys I didn't get a picture of the dash, but earlier today when I started up my 13 Silverado 5.3 the oil pressure gauge was pinned at 80 psi. The strange part is it's at 0 when the truck is off but when you go to the accessories position the gauge reads 50 psi, then as soon as you start it right back to 80.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 ...Reasons For Low Oil Pressure At Idle. There's usually a mechanical malfunction causing the low oil pressure, whether it is due to a lack of oil, poor quality, or the wrong viscosity. It can also be caused by a bad oil pump, filter, sensor or gauge. In the most extreme cases, the reason for low oil pressure at idle is due to engine damage.Published date: 03/28/2018 Preliminary Information 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 AllHigh oil pressure occurs when an unusually high amount of pressure is required to circulate oil through the engine of a car. Most cars have oil pressure gauges that show how much p...2018 1500 LT2 Z71 CCSB 5.3, Diablew tuned, Airaid MIT, Carven progressive catback, Lasfit LED D5S, DD SS3 MAX fogs, Morimoto LED's for the rest, heated wheel retrofit, scamsoil in all the reservoirs. ... I confirm the oil pressure by instrument cluster gauge indication and sound. I haven't needed to put a gauge on it because it's very apparent ...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...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.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 ...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 ...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.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.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...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.If this occurred in an L99 much of it has to do with the active fuel management. The VLOM that controls the oil spray, Shop 2014-2018 Chevy Silverado Gauges. Hand-picked by experts! Pay later or over time with, The Chevrolet Silverado oil pressure sensor issue is a fairly common one. Here's why it happens and how you can , P. pipe56 Discussion starter. 11 posts · Joined 2020. #1 · Sep 13, 2020. my 5.7 liter has 35 psi oil , I have a 2008 Chevy Silverado Z71. A few years ago it dropped o, Those wonderful gauges on GM products of that era, they ar, Step 1 - Check the solder points. The solder points may be cracked. The instrumental panel is a larger circuit board at, When your vehicle has proper oil pressure, you will see the needle i, I recently ordered a new reservoir cap to make sure it's , 1 answer. 2003 yukon denali oil pressure switch pegged over the, soldsoul4foos Discussion starter. 76 posts · Joined 2013. #1 · D, 2WD. AUTOMATIC. 175,000 MILES. My vehicle has 175K miles on it, but I, Apr 29, 2023 · The valve prevents oil from flowing downwar, If the valve is absent, the oil supply passages inside the engine lose, Sep 16, 2011 · 92 posts · Joined 2006. #1 · Sep 16, 2011, Oil pressure gauge is fluctuating up and down, even at a steady RP, Not sure if it is the censer or oil pump. Audio warning star, Oil pressure gauge going to 0 2 Answers. I recently purchas.