Check the voltage to the gauge it should be a steady 12-13.5 volts. --- A oil pressure gauge in actually a voltage gauge with a different face. 12 volts on the supply side and the sending unit actually varies the resistance to ground.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.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.One common reason an oil pressure gauge fluctuates from 0 to 80 is the sending unit. The sending unit consists of the switch, diaphragm, and a small tube connected to the gauge. If the level of oil is normal, the diaphragm is pushed against the switch, keeping it from turning on. However, if the oil goes low, the diaphragm releases pressure ...The cost of replacing a faulty oil pressure sensor in a car can vary depending on a few factors. But on average, replacement cost should be in the range of $100 to $220 in most cases (including labor). The oil pressure sensor itself can cost between $30 and $100, while labor costs can range from $70 to $120. However, the cost of parts can vary ...2014 V6 Oil Pressure Fluctuating! 5th Gen Camaro SS LS LT General Discussions ... and, if there is another port\tap where I could hook up a mechanical gauge to see what the actual pressure is! Or if anybody has any other suggestions I'm all ears. Thank You ... 2018 SS wheels, red Heritage grille, actual driving lights, ZL1 strut tower brace, GM ...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.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 ...Ron Nielson. My first guess would be the oil pressure sensor is bad. 2nd guess is that if the sender is OK, but there is a problem with the circuit for the sender. Before you replace the sensor make sure the black wire on the connector has 5V and the green /yellow wire is ground. And make sure this wire isn't rubbed thru anywhere or broken.Going down the road, on level highway, the oil pressure will go between 40psi - 72psi. The rpm's are holding steady with the cruise control on. No up or down shifting going on. Checked with the local dealer and they don't really seem to know if it's supposed to do this. Just curious.Let me double check the specifications. Ok, the good news is that your oil pressure is within specification. So the engine seems fine. The problem is in the oil pump itself, there is a relief valve built into the oil pump that is supposed to respond to engine conditions/demand and it sounds like it's stuck which is a common issue on those.Equinox LX 1.5L. Automatic transmission. 500 miles. A D V E R T I S E M E N T S. While driving at constant speed and rpm oil pressure goes from 30psi to 70psi. It doesn't seem like high oil ...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 ...Demska32. 1 post · Joined 2021. #26 · Apr 30, 2021. I have a 2003 GMC Yukon and when I turn the key to the instrument readings (2 clicks) the pressure oil gauge sits around 45-50, but when I turn it on it skyrocketed to 80. I changed the oil and filter as usual, but still the same.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 oil pressure check valve inside the pan is designed to open at 55 psi to bypass the oil filter in event of oil filter failure. If your running more than 55 psi at highway speed. Your oil filter is being by passed and allowing contaminants into the engine. My suggestion is run it. If it is not ticking or knocking.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 ...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.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...Sep 16, 2013 · Flucuating oil pressure. 2013 GMC Sierra 2500HD 6.6l Duramax - just changed the oil and filter (Fram PH100) at 3000 km to remove any breakin wear etc from engine. Now I am noticing the oil pressure fluctuate from 200 Kpa to 600 Kpa. Lower oil pressure with lower RPM.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 ...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.Denx2 said: Google "2006 nissan xterra oil pressure gauge fluctuates". Watch the video from Ry the Car Guy. He explains for the 2005 and start of 2006 manufacture dates, the oil pressure gauge is a true gauge. The oil pump is mechanical, driven off of the motor, not electrical. The higher the rpms, the more towards center the gauge stays, move ...Apr 6, 2015 · 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.I have a 2008 Silverado 4x4 5.3L.....check engine light came on and oil pressure gauge is either at 0 or 80. ... Same thing occurred in mine last month (check engine light and oil gauge fluctuating between 0-80) It was the oil sending unit, had repaired at the dealership for $250. ... Gauge was reading 0 oil pressure. 2008 Chevrolet Silverado ...The Chevy Silverado is a full-sized pickup truck. It uses an ABS system to monitor the brake pedal pressure and pump the brakes automatically for drivers if the wheels lock up. Thi...Apr 25, 2018 · 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.The oil pressure gauge in a mk3 is a completely useless toy, mine whips around the dial (with no scale) like a vacuum gauge.. mine goes from near L to near H and everywhere in between very quickly when revving through the gears, it won't be your oil level. My first mk1 had the best gauge, i.e. a real one, with a scale that actually meant ...Temp fluctuates. When I first got my truck, the temp gauge worked fine, from a cold start up would go to about 210, then the t-stat would open and the temp dropped to about 170 or so and sat there from then on. After getting it back from having leaking intake gasket replaced, the temp would go up to 260 before it went back to 170 and then would ...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.One problem may be a clogged filter screen below the sender. Another may be a faulty sending unit. A rarer cause of a fluctuating gauge can be a failing oil pump. If you ignore this problem, you may actually hear your engine get louder as your lifters get starved for oil. Eventually, this can cause severe damage to your engine.The vehicle is a 2005 K2500 Suburban with the 8.1L Vortec engine with approximately 145,000 miles. The engine has been maintained with oil & filter changed at regular intervals. I am the second owner. We don't put many miles on the vehicle - about 70k in over 6 years. Several years ago, at about 100k miles the oil pressure dropped to zero …A quick and easy video: How to reset the oil life monitor/light/message on a new (or brand new) Chevy Silverado.This applies to both gasoline and diesel vers...Ron Nielson. My first guess would be the oil pressure sensor is bad. 2nd guess is that if the sender is OK, but there is a problem with the circuit for the sender. Before you replace the sensor make sure the black wire on the connector has 5V and the green /yellow wire is ground. And make sure this wire isn't rubbed thru anywhere or broken.I have a 2008 Chevy Silverado Z71. A few years ago it dropped oil pressure so we stopped driving it. Just recently we found someone who replaced the oil pump, previously we fixed the oil sending unit. I was driving my truck back from the shop and a few miles after getting on the highway the oil pressure drops to zero.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 ...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.One common reason an oil pressure gauge fluctuates from 0 to 80 is the sending unit. The sending unit consists of the switch, diaphragm, and a small tube connected to the gauge. If the level of oil is normal, the diaphragm is pushed against the switch, keeping it from turning on. However, if the oil goes low, the diaphragm releases pressure ...The oil pressure gauge low, sometimes fluctuates. Low enough for the "low oil - Answered by a verified Chevy Mechanic. ... I put in a 140 amp alternator in my 2000 silverado 2500 6.0. My gauge is moving rapidly back and forth between 14 and 18 volts.Oil pressure gauge stops working. There are several reasons why the gauge will stop working. It could be that the gauge is faulty, you need an oil change, or the associated fuse is blown (electrical gauge). The best thing to do is that should ask your mechanic to check the oil level first. If the oil level is low, then you need to top up.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 ...Rpm surge bounce-----need some real help. Hi everyone, I got a 2010 5.3L w/6 speed w/66,000 miles. Recently it started having this "rpm bounce" , about 100-200 rpm when driving about 40-50mph. The rpms are low since the truck is in its 5th or 6th gear, typically around 1000-1500rpm.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.Oct 14, 2018 · 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.Variable oil pump solenoid stuck in off (high) position. I've read a lot of accounts of a clogged pressure sensor filter screen causing bad reads, which makes the ECU keep it in high pressure mode. These accounts seem to be in older vortec motors or V8 variants, mostly. Does the 4.3 Ecotec have a similar or same filter screen?Those wonderful gauges on GM products of that era, they are a sight to behold. However, it's normal to see some fluctuations as the thermostat opens and closes or the cooling fan kicks on and off. Because they actually show an accurate reading! Oil pressure, coolant temperature and voltage should fluctuate. M.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 All19trax95. 19969 posts · Joined 2012. #5 · Nov 2, 2017. The code is for the oil pressure sensor voltage high. So it's reading over 4.6 volts which is over the normal max of 4.5 (5 volt reference). Since the op put a new sensor in and the code persists, it is either wiring or the motor. A mechanical gauge will rule out the motor.Standard Part Used Amazon https://amzn.to/2Smtc59This should fix NO oil pressure or PEGGED 80 psi oil pressure gauge. Its a common issue everyone's vehicle...One common reason an oil pressure gauge fluctuates from 0 to 80 is the sending unit. The sending unit consists of the switch, diaphragm, and a small tube connected to the gauge. If the level of oil is normal, the diaphragm is pushed against the switch, keeping it from turning on. However, if the oil goes low, the diaphragm releases pressure ...Sep 2, 2019 · 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.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 ...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.Here is a more detailed list of the reasons why your car temperature gauge goes up and down: 1. Bad Thermostat. The thermostat is used to regulate the temperature of the coolant. If it starts to fail, it can act erratically, causing the gauge to jump up and down. Once it goes bad, it will no longer act this way.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 1500.2018 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 there until I give it little throttle it then goes up to 40 it does this every time i stop. the dipstick shows full of oil. the oil pressure light never comes on. this disturbs me. any info.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. Save Share. Like. ... My truck did the same thing, the oil pressure gauge would drop randomly and i'd get the "shut off engine" message. I replaced my oil pressure sensor and that seemed to fix the problem..A 2018 Chevy Silverado 1500 is expected to last 200,000 miles — but you can beat that. A 2006 Silverado holds the Chevy mileage record at 1.2 million miles. If you want to join the high-mileage club in a Silverado, you’re going to need to learn how to oil your ride. So, what kind of oil does a 2018 Chevy Silverado 1500 take, and how much?The oil pressure gauge, when off throttle, rapidly falls to low pressure then to normal. It returns to regular operation when I open the throttle (or increase the RPM). ... BrentP November 27, 2018 At 4:46 pm ... My silverado's oil gauge fluctuates a bit under and off throttle but it is normal. My Xterra does not and it stays in one spot (a ...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. ... 2018 EB Fastback Premium w/PP 1994 Cobra Coupe SVT ...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.Just recently his oil pressure gauge pegged at 80 psi. The truck runs fine, no weird noises/smells, so I'm 99% certain it's either the stepper motor or the stock sending unit. Now to fix his problem, I figured I could just buy a mechanical oil pressure gauge and use that, and not worry about replacing the sending unit or fixing the gauge (both are …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.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 ...Asked by dddavis3 Jul 03, 2019 at 06:49 PM about the 2016 Chevrolet Silverado 1500 LT Z71 Crew Cab 4WD. Question type: Maintenance & Repair. My oil pressure gauge just started fluctuating from about. 40 to 20.Jims68GTCS. 656 posts · Joined 2012. #4 · Jul 13, 2018. Oil pressure fluctuates based on engine RPM, load and temperature. As long as your oil pressure remains above 20 psi at idle and 35/40 psi at an easy cruise speed you should be fine. Big Jim.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.Oil pressure gauge. Jump to Latest Follow ... NEW: 2021 Silverado LT Z71, 5.3L, Katzkin leather, soft tonneau, bedliner OLD: 2010 Sierra All Terrain, 5.3L, Range AFM delete, 2.5" level lift, Grenade XD wheels, 305/55/20 Nitto Terra Grapplers. Save Share.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 ...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 ...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.Then i noticed that the oil gauge fluctuates between 20-25 when start and idle but did goes up when step on gas. Before the oil change it was at 40. Some forum suggest doing a engine flush then drop pan and change the oil pickup O-ring. Some say the oil pressure sensor filter might be clog. Hopefully not bad oil pump bc that would be an ...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.About 2-3 seconds later the battery light comes on, the ECT, oil pressure, and fuel gauges goes to "zero", and the low fuel light comes on. The truck runs just fine, no hesitation, stalling, odd noises. The tach, speedo, and trans temp work just fine. The CTS2 Insight gauges all freeze (ECT, boost, FRP, DFRP, turbo vane position) except for the ...Engine predominantly ran colder than right in the middle of the gauge (around 190 degrees) and oil pressure sat a steady 40 psi cruising. 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 ...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 ...very common problem causing the oil needle on the gauge to stick up at 80. clean the code if the knock sensor code comes back more than likely if there are NO engine codes both knock sensors will need to be changed to correct the code. If necessary, remove the engine sight shield. Disconnect the oil pressure sensor electrical connector (1).Depends when and how long it sits there. Generally after putting load on the engine and then idling it is OK. My 18 5.3 SIlverado does the same. Thats seems very low for me, my truck sits at 40 at idle and climbs some on acceleration. Mine 2018 Silverado idles around there as well with around 30k miles.A 2018 Chevy Silverado 1500 is expected to last 200,000 miles — but you can beat that. A 2006 Silverado holds the Chevy mileage record at 1.2 million miles. If you want to join the high-mileage club in a Silverado, you’re going to need to learn how to oil your ride. So, what kind of oil does a 2018 Chevy Silverado 1500 take, and how much?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...5 posts · Joined 2017. #1 · Jan 2, 2018. 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. When it's cold the oil pressure will go all the way up to 100 psi then after it warms up, it will go back to around 60 but upon acceleration goes back up to close to 80 ...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.. 117 posts · Joined 2015. #5 · Sep 12, 2016. If you are goinI bought a new 2013 Silverado with the 5. 06 Silverad0 5.3L - Low Oil Pressure only during cold starts. His problem was the O-RING in between the pick up tube and the pump. According to the post, he dropped the pan and replaced the O-ring. Here's a quote from his thread: "The o-ring left residue inside the pump socket and on the tube it slides onto.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 ... Very low reading. Very high reading. Other reasons why your Chev The engine sounded good and it drove well. Luckily, I was right, the guages were an easy fix. Unluckily, once working, the oil pressure gauge revealed a problem. Only a few pounds of pressure at idle and 15-20 pounds when driving when warm. Geeze, what have I gotten myself into. So I changed the oil, I used Castrol 5w/30 and ac delco filter.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. That should remove any air. Then drive it ar...
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