P0521 chevy silverado. First check to make sure you ...

P0521 chevy silverado. First check to make sure you are not low on oil. Accurate oil pressure readings are crucial for proper engine operation. For instance, the solution for a P0521 code in a Toyota Camry may not work for a P0521 code in a Chevrolet Silverado. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! The diagnostic trouble code P0521 on a 2015 Chevrolet Silverado indicates a performance issue with the engine oil pressure sensor. So, I just swapped out the oil pressure sensor with a new ac delco oem part. Never threw the code in the heat of Chevy 6. I checked the codes and the and the only sensor code I got was P0521. Jan 31, 2025 · So similar to what others are experiencing, I have a 2013 Silverado 1500, 117,000, mi 5. Choosing between regular and high-performance oil for the engine can be a difficult decision. 0 oil pressure sensor before we dive into the P0521 causes. If a If you find P0521 is current or set in history, it will be necessary to first perform a mechanical oil pressure test using the oil pressure test adapter kit noted in service information under Oil Pressure Diagnosis and Testing. The Signs of p0521 On Chevy Silverado 2011 Here are some signs of p0521; The check engine light illuminates; if something goes wrong with any sensor or switch in the chevy, the check engine light will illuminate. When the check engine light comes on in your Chevy Silverado, it may be because of the P0521 code. 3/6. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Once you’ve established what set off the code, determine its appropriate fix by consulting online auto repair resources and guides. youtube. Hot idle would be around 20psi according to the gauge. Threw the p0521 code this past weekend(low oil pressure). In my way to work this morning the CEL came on I have been reading a lot on this and have found no real solution. I had the check engine light to come on yesterday and I stopped @ Oreilles to check for the code. 0 Oil Pressure Sensor Location Now let’s cover the Chevy 6. 2007 - 2013 (GMT900) - P0521 - Oil pressure is actually good - P0521 code - gauge on dash reads 20-25psi at idle Things I have tried: -Mechanical Gauge - reads 38psi at idle - I think this is the proper oil pressure for this engine -Replace oil pressure sensor & screen underneath it -Scratch my head What are my next Silverado, Sierra & Fullsize Pick-ups - HELP! Service Code P0521 Dealer Says Replace Engine - I have a 2013 Silverado 1500 LTZ 5. I have a 2011 Silverado 5. So i swapped out the sensor and the screen. 0. after researching the code it showed that the oil pressure sensor was bad. I had this code 2 years ago as my oil pressure indicator was reading 0 but truck was running just fine (2011 silverado 5. In today's post, we explain what that means, the common How to fix a P0521 Code: Engine Oil Pressure Sensor/Switch Range/Performance Common symptoms of a P0521 code are a check engine light, oil pressure warning light, and the oil pressure gauge P0521 is an OBD2 diagnostic code that is triggered when your Chevy Silverado detects that the value being sent from the oil pressure sensor is out of its normal operating range. Same code every time, 521 Oil Pressure. last summer I put in a oil pressure switch on 2013 Silverado with a 5. Ket on engine off the oil pressure is pinned. 2009 Chevy Silverado P0521 Code: Oil Pressure Sensor Issue Silverado often faces persistent P0521 codes and oil pressure sensor screen clogging with debris. It's always ran a little on the lower side as far as oil pressure. It's full of oil, I had ju Code P0521 Low Oil Pressure 2009 Chevy Silverado 6. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Checking the sensor, oil levels, and related wiring can help find the problem. 2 LS Engines, what tools you will need and hel The P0521 diagnostic trouble code (DTC) indicates a problem with the engine oil pressure sensor's performance. The code reader picked the code as p0521, has anyone experienced this code before? What is the likely repair? My truck is still under the powertrain warranty and I plan on scheduling a appointment 2016 Chevrolet Silverado 3500HD Crew Cab Duramax LT Z71 - Summit White Leather, 4" Round Ss side steps, Bak Flip G2 Traded 2013 Chevrolet Silverado 1500 Crew Cab LT Z71 - Graystone Metallic Reply Quote Like GM Customer Service 2,539 posts · Joined 2012 P0521 Chevy Silverado - This system is located inside every modern vehicle. Detailed repair manual for the 2007 Chevrolet Silverado 1500 2WD V8-4. When we had the engine torn down we replaced the oil sender with a new AC Delco one, for a The P0521 code in a 2016 Chevrolet Silverado is often triggered by a malfunctioning engine oil pressure sensor, low oil level, clogged oil passages, or a faulty oil pump. See below for some additional info on diagnosing and repairing this issue. How to Fix P0521 Engine Code in 4 Minutes [2 DIY Methods / Only $6. This is my second time through thisswapped out effectively 3 years and 35k miles ago. 3L with the flex fuel. I continually have my check engine light coming on and have taken the truck to two different GM dealers. Occasially the truck won’t start or even attempt to turn over but if I keep trying it will. Replaced sensor again just making sure because it was still So this code come up today. I noticed the other day that my oil pressure gauge would run at about 40psi whit crusing but under braking it would fall to 20. Silverado 5. Fixing a Chevrolet 1500 Silverado, Sierra, or Tahoe with a P0521 error code is reasonably easy to do. 3 liter engine 07-13 fix for code P0521. 3, 4x4, locking rear and tow package, the truck was a one owner, bought new at Serpentini Chevrolet in Tallmadge, Ohio, serviced at that dealer, traded in at that dealer and then sold to me used from that dealer, all sounded pretty good, right? Repair Information for P0521 Chevrolet code. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Learn what Engine Oil Pressure Sensor Performance means, location and how to repair. What Does the P0521 Mean The P0521 code is a standardized OBD-II diagnostic trouble code that specifically indicates a malfunction with the engine oil pressure sensor or its associated circuit. What could be causing intermittent engine light issue with codes P0521, P0138, P013E, and P015B in Chevrolet Silverado? The P0521 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the engine oil pressure sensor's performance. Then at one point while driving the oil pressure dropped to 0. The P0521 code is a common issue for Chevy Silverado owners, signaling a malfunction in the engine oil pressure sensor or switch. Jan 13, 2026 · Fixing the P0521 code quickly helps keep your engine in good shape and prevents more damage. The PCM controls many different electronic components, sensors I have a 2013 Silverado with the 5. Engine oil pressure/sensor range performance. Driving or idle the pressure is pinned. 2013 Chevy Silverado w/flex fuel 5. 3L. The P0521 code for a 2018 Chevrolet Silverado relates to the Engine Oil Pressure Sensor Performance. com/watch?v=RAdAcMkKlM8Overview of how to fix a P0521 Code on a Silverado, Sierra, Tahoe. This sensor is responsible for monitoring the oil pressure in the engine and sending this information to the vehicle's computer system. Oct 29, 2025 · If your vehicle’s Check Engine Light (CEL) comes on and your OBD-II scan tool shows the P0521 code, it means the engine control module (ECM) has detected an inconsistent or abnormal signal from Aug 19, 2024 · The P0521 Chevrolet diagnostic trouble code indicates that there is a performance issue with the engine oil pressure sensor. My truck is a 2011 Silverado Crew Cab LT with the 5. GMC Sierra: A damaged wiring harness can also lead to the P0521 code in the GMC Sierra. Guage readings didnt improve and next day code popped back on. Che DTC P0521 can be set if engine oil pressure is outside the calculated engine oil pressure model stored in the engine control module. Right around Christmas time or 114,000mi, my check engine light came on giving me the p0521 code. Diagnosis is the first step to resolving the P0521 code. 0 Hello, I have a 2009 Chevy Silverado with the 6. 3 and almost 103k miles. Check engine light code P0521 means Engine Oil Pressure Sensor/Switch Range/Performance. The engine oil pressure sensor is a vital component of the vehicle's engine management system, as it monitors the oil pressure in the engine and sends this information to the engine control module (ECM). Then once I got to a complete stop it would dip to around 10psi then return to 20. 3 l etc etc. 0/6. The most common cause of a P0521 error code is a bad oil pressure sending unit but could also be a bad wire, blown fuses, faulty oil pump, and possibly a bad ECM. Truck is running fine. 3L V8 Chevy or GMC check engine light P0521 or P0011? Crazy oil pressure readings? Then your oil pressure sensor and filter should be changed! In today's v Learn how to diagnose and fix low oil pressure problems in Silverado trucks by replacing the oil pressure sensor in this detailed video guide. Just had to replace the wonderful lifters after #7 AFM collapsed, engine pressure checked fine and runs nice a quiet. I bought the truck used a few months ago. Picked it up last summer and it drove fine first couple of months, then a check engine light came on so I ran the handheld and code 0512 came up. Automatic…. 2011 with 5. It is typically caused by a bad oil pressure sensor or an issue with the oil system, and should be diagnosed and fixed right A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. And when it comes to the 6. Sounds fine I was going to check oil Here are some highlight from the replacement of the Oil Pressure Sensor (Sending Unit) on my 2007 Chevy Suburban. This code is applicable to a wide range of vehicle brands and models, including the Chevy Silverado. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. 0 Vortec. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! The Chevrolet Silverado P0521 is a reliable vehicle, and its engine requires the correct type of oil for optimal performance. Learn what Trouble Code P0521 means, the cause, and how to fix it. This code indicates that there is a problem with the engine oil pressure sensor, which is responsible for monitoring the oil pressure in the engine. The Chevrolet Silverado P0521 is a reliable vehicle, and its engine requires the correct type of oil for optimal performance. 3L V8 4x4 crew cab with 93k miles. 3 LC9 ltz or LT P0521 GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". If you find P0521 is current or set in history, it will be necessary to first perform a mechanical oil pressure test using the oil pressure test adapter kit noted in service information under Oil Pressure Diagnosis and Testing. 87] nonda 112K subscribers 146 GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". 3 V8. Common issue on 4. I have a 2012 Sierra 1500 SLE with the 5. 3L with 142k miles. This same code and only this code is on. Amazon The P0521 code—officially known as Engine Oil Pressure Sensor/Switch Range/Performance —is common in GM vehicles, and you may see P0521 on Chevy Silverado models with V8 engines. Chevy Silverado: The Chevy Silverado can suffer from the P0521 code due to a faulty oil pressure sensor or a bad oil pump. It is worth noting that the mounting position of this oil pressure sensor is the same. Then check the wires to the sensor. Warning light for oil pressure; the oil pressure light on the dashboard panel is linked to the pressure sensor. 3l this week on mn it's been -3 to -5 and the same code keeps coming up for the oil pressure switch again do u think I should put another oil pressure switch in or any other recommendations? The P0521 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado refers to the Engine Oil Pressure Sensor Performance. Chevrolet Silverado Motor Mount Replacement Sierra Tahoe Suburban Escalade ls UPDATE How to Unplug Connector on Oil PSI Sensor P0521 P0523 No Oil Pressure Chevy Truck Silverado 5. 8L. 3. This can be an indication of mechanical engine issues causing lower than expected engine oil pressure. Yes, code P0521 can cause Chevy Silverado to misfire, especially when the power steering system is in limp mode. A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. How to locate and replace the oil pressure sensor on a Chevy Silverado, or GMC Sierra. Feels fine. 8/5. It was a BEAR working on this because you can’t see any K1000 New Member More 3 years 5 months ago - 3 years 5 months ago #57632 Replied by K1000 on topic 2010 Chevy Silverado 5. (P0521 OBDII code) This process should be similar for other GM vehicles with the Join me on my adventure today in replacing the oil pressure sensor on my 2009 Chevy Silverado LT 5. Find out how to fix it in this article! Step by step guide on how to fix a P0521 Engine oil pressure sensor/switch code. 3 in it and the code P0521 popped up. https://www. The P0521 code indicates a problem with the oil pressure sensor circuit. However, I am now getting the P0521 code. In this case, the power steering system can’t provide enough power to the engine, and this will cause it to misfire. 3). Detailed repair manual for the 2012 Chevrolet Silverado 1500 4WD V8-5. It means the same as P0521 on GMC or Buick models, since this is a universal or generic diagnostic trouble code (DTC). P0521 is a diagnostic trouble code (DTC) for "Engine Oil Pressure Sensor/Switch Range/Performance". If a I have a 2008 5. . obd code P0521 and P0521P. The engine oil pressure sensor is a crucial component that monitors the oil pressure in the engine. Then replace the Here is an updated video with better sound. rkvgco, mla6iz, eyy2, twsj, 4shpx, tzlj, f8tmi, 8hxcx, vjuq5t, kg47l,