2008 tahoe p0521. The sensor has been replaced, the screen has been replaced, the relief valve was replaced by dealer. The good news? In most cases, the fix is fairly simple and won’t cost you too much. Give me a minute and I will get you the information to do that. Then replace the Jun 4, 2020 · Oil pressure test on GM 5. Jan 21, 2019 · I have a 2003 tahoe z71 with a 5. After reading up on what it could be, seems this is a fairly common issue with NNBS vehicles. The first step in diagnosing and repairing this code is to verify that it is indeed the P0521 Chevy Silverado engine code. com http://1aau. Check engine codes P0521 and P0523. With this code, you shouldn't notice any symptoms besides perhaps a noticeable fuel smell. Apr 22, 2020 · Silverado 5. The Powertrain Control Module (PCM) manages the vehicle’s sensors, including the oil pressure sensor. Dec 12, 2019 · 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. Common causes of the P0521 code include sensor failures, wiring issues, and mechanical engine problems. It had a valve train noise and I was able to isolate it to the passenger side of the engine. 3 liter. It is typically caused by a bad oil pressure sensor. If the gas cap is not tight, or making a good seal, that causes this code (a lot). P0191 fault2008 chevrolet tahoe specs, prices, vins & recalls P0191 code, fuel pump staying on continuously (key on engine off) foundSparky's answers. Dec 13, 2019 · P0521 is an OBD2 diagnostic code that is triggered when your Dodge Ram detects that the value being sent from the oil pressure sensor is out of its normal operating range. by Seven » Wed Jun 14, 2017 7:24 pm. This will apply to the following vehicles. 3L engine with RPO code LMG. It keeps popping up cel and code p0521. P0101 code in the Chevy Tahoe is crucial to maintaining your truck’s performance and ensuring it runs efficiently. 3 V8 4WD with FlexFuel. This video is to show you how to repair a P0573–00 code on your Chevy Tahoe. Getting code p0521. Check Details. However, I cleared the Apr 26, 2017 · AFM Misfire P0300 code, Service Stabilitrak/Traction Control comes on. Scroll down to circuit/system testing. Friday at 11:53 AM. You will have to test the circuit. 2L L86 All Chevrolet Suburban 2015 - 2018 All All 5. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). A P0521 is an “Engine Oil Pressure Sensor Range Performance” OBDII error code. The filter/screen is included with the new sensor. First check to make sure you are not low on oil. ok the oil pressure sensor is located on the back of the engine as seen in this picture # *****. 1,140. The technical service bulletin (TSB) SB-10059078-4342 addressed concerns with the P0521 code appearing on several GM vehicles equipped with a V8 engine. It’s important to inspect and repair any vacuum leaks in your vehicle to resolve this Jun 1, 2013 · 2 posts · Joined 2013. But, whenever the check engine light is on, it's. **Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**Automotive Test Light- https://amzn. I got these 2 codes (p0172 and p0175) so i figured it was the MAF sensor. It will have the round connector, not the flat oval as in the 2nd one you listed. replace fuel pump relay. Just had to replace the wonderful lifters after #7 AFM collapsed, engine pressure checked fine and runs nice a quiet. While it is possible (and even likely) that Jan 30, 2020 · Today we are going over how to replace the oil pressure sensor on a 2007-14 Chevy Suburban (Should be the same for Tahoe, Silverado, Sierra, Yukon, Escalade) Jun 30, 2022 · DTC P0513 may be caused by a loose connection or intermittent poor continuity on the ECM ground or at the negative battery cable. It is typically caused by a bad oil pressure sensor or an issue with the oil system, and should be diagnosed and fixed right away. There is a factory service bulletin for the following Chevrolet models: 2010 Chevrolet Camaro SS. I am working on a 2007 Chevy Tahoe, 4WD, 5. p0521 p0523. P0523 Chevrolet Code - Engine Oil Pressure Sensor Circuit High Feb 9, 2023 · In order to diagnose and repair this code, a few steps must be taken. To the left is the part number that will need to be order. Watch this video for more Mar 5, 2024 · Check Details Chevy silverado 1500 4x4 5. Tahoe 2003 p07532001 chevrolet tahoe p0122, p1122 tps fault P0191 fix dtc2003 chevrolet tahoe problema en la transmisión p0740, p0753, p0758. Possible fix for code P0521. Oct 8, 2009 · 3,123. Here’s what you need to know: 1. It is typically caused by a bad oil pressure sensor or an issue with the oil system, and should be diagnosed and fixed right. I've searched old posts and the code descriptions. C. I got the valve cover off and discovered a valve rocker that had too P0521 indicates that an irregularity has been detected in the sensors that monitor oil pressure in your vehicle. N. Im gonna give you a cheaper and faster op Jun 8, 2022 · From the shop manual: DTC P0521 can set if engine oil pressure is outside the calculated engine oil pressure model stored in the engine control module. I changed the Evap Solenoid, reset the CIL and it comes back on when the gas tank gets half empty. Apr 9, 2020 · Do you have a 2008 Chevy Silverado that won't crank or start? Watch this video to learn how to diagnose and fix the problem with simple tools and tips. Engine ON, transmission in park, vary the engine speed by 500 RPM. Replies 48 Views 2K. Dec 12, 2019 · P0521 is an OBD-II diagnostic code. Nov 1, 2018 · June 11, 2023 by Jason. hop Mar 7, 2011 · I'm looking at a 2007 Tahoe 5. Or I would really Nov 9, 2023 · Chevy tahoe no oil pressure in dash. Faulty connection or faulty wiring in the oil pressure sender circuit. I've experienced an issue with a low oil pressure warning and the gage is varying between 40 and nealry zero. P0523 is a standard OBD2 trouble code that can occur in the Chevy Tahoe. This code signifies that there is a problem with the signal being sent from the oil pressure sensor to the engine control module (ECM). Lately the truck has been running VERY rough, throwing the P0171, P0174 and P0300 codes, being way down on power and getting terrible mileage. 3L L83 6. Recently the CIL came on with code P0455. 3L L83 All Sep 13, 2023 · Check Details 07 chevrolet tahoe 5. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the engine oil pressure sensor signal circuit is greater than 4. Operation CHARM : Car repair manuals for everyone. 3 LS. Last time, an oil change cleared it. Symptoms Detailed repair manual for the 2008 Chevy Truck Tahoe 4WD V8-5. Some scan tools will also give an “Engine Oil Pressure Sensor/Switch Range/Performance”. P0521 Engine Oil Pressure Sensor / Switch Range / Performance popped up today, YAY. New to LS motors Welcome Back! In today's Episode show you how to replace a bad oil pressure switch on a general motor vehicle. ⇒XIf less than 34. 3 is showing code p0521, about a month ago the oil pressure guage would drop to 0 then read normal then drop to 0 again, i changed the sensor and filter screen and the problem went away for about 2 weeks, now when the vehcile has sat for half a day and i start it the oil pressure guage doesnt move until engine reaches normal operating temp, this has been happening Jul 23, 2013 · Just took my 1997 Tahoe in to read the codes and I got P0172 Bank 1 system too rich P0175 Bank 2 system too rich both Confirmed and P0300 Random Multi misfire Intermittent I notice at times i have to hold the starter longer for it to kick over and some times it cranks right over in a split second. "5" in the third character position in a DTC indicates that the vehicle speed, idle control and auxiliary inputs is experiencing a malfunction. Feb 23, 2021 · Check the Gas Cap. This can be an indication of mechanical engine issues causing lower than expected engine oil pressure. Service Traction Control. 2007 Chevy Tahoe 5. It plays an essential role in ensuring that your engine receives proper lubrication, preventing potential damage. Jun 30, 2022 · The instrument cluster will illuminate or display the engine oil pressure indicator when the engine oil pressure is low. You will also find related videos on music Jun 25, 2021 · 2009 Chevy Silverado *****************. The screen for the oil pressure switch was plugged with debris the first two times. It is important to address this issue promptly to avoid potential engine damage. Then check the wires to the sensor. OBD-II fault code P0521 indicates a defective oil pressure sensor or gauge. In some instances, this means that the value of oil pressure has remained fixed for too long, or that an abnormal amount of pressure (or lack thereof) has been read by your car’s computer. 8 V for greater than 10 s. These cars do not take kindly to aftermarket sensors. Your vehicle’s powertrain control module (PCM) will log a P0523 code if it detects an unusually high oil pressure reading from the engine oil pressure sensor or switch. Tahoe hybrid chevy chevrolet battery 2009 2007 p0700 p0496 cells cars code generation suv warranty 2008 months prices rebuilt carSparky's answers Sparky's answersP0191 fix dtc. look at battery if you have the ac delco seal battery make sure green eye still there . This code is related to these other oil pressure DTCs: P0520, P0521, P0522, and P0524. The first ( 12673134) is the correct one for your truck. The car dealer says these truck have this problem and it relates to vehicles setting long times. 6L/6spd Allison Quad Cab Long Box 2004 Chevy Tahoe 5. There is a Factory Service Bulletin for the following Chevrolet models: 2010 Chevrolet Express. After the injector part number has been identified on the body of the injector, in the description column. Jul 8, 2018 · Tahoe P0442 Code Defined. It was previously salvaged for hail damage so dealer says no warranty. Dec 1, 2016 · Answered in 6 minutes by: Chevy Mechanic: AZTechBrian. 2L L86 All Chevrolet Silverado 2014 - 2018 All All 4. NOTICE:Some how during the record Nov 13, 2022 · I have a 2012 Sierra 1500 SLE with the 5. The gas cap looks fine. This sensor is responsible for translating the input from your accelerator pedal to the engine, controlling the amount of air that enters the engine and ultimately affecting the acceleration of your vehicle. 3. Nickct203; Apr 30, 2024; Engine & Drivetrain; 3 4 5. When we had the engine torn down we replaced the oil sender with a new AC Delco one, for a few days it ran fine, then the code started showing DOICOO Manifold Absolute Pressure MAP Sensor replaces 16187556 12569240 213-796 213-351 213-1742 fit for Chevrolet Cadillac Buick Pontiac GMC Isuzu Saturn Ol Feb 13, 2019 · Thinking of replacing your oil pressure switch/sensor on your Chevy Tahoe, Suburban, AvalancheYou know the deal. Remove the fuel cap and inspect it. It only has 7000 miles on it. here is a picture and description of the connector for testing. Reaction score. I’ve changed the oil pressure switch 3 times. So I removed the oil pan and cleaned everything installed a new oil pump and pick up tube. The oil pressure sensor measures the oil pressure mechanically, and converts that reading Aug 2, 2018 · Shop for New Auto Parts at 1AAuto. 4 liter (luv) faults p0325& p0326 – diagnostic network Oil pressure switch sensor 2007 located engine where 2008 tahoe top convertible escalade chevy chrysler sebring chevrolet cadillac low gmc 07 sierra- low oil pressure & code p0521. Carefully inspect the electrical connector and wire harness for any loose, broken, pinched or damaged wires. I am having the dreaded low oil pressure code P0521. P0452 indicates that your Tahoe’s fuel tank pressure sensor has detected that the pressure in the fuel tank is too low. 3 AFM 2007, codes P0521 engine oil pressure sensor How to fix a Chevy or GM P0455 engine code: Evaporative Emission System Large Leak DetectedHow to Test a Purge Valve https://www. 3 liter engine 07-13 fix for code P0521. I have a 2008 5. #1. Chevrolet tahoe 1996 dtc p0441 diag and repair must be repair to passPressure oil tahoe chevy Oil pressure switch sensor 2007 located engine where 2008 tahoe convertible escalade chevy chrysler sebring chevrolet cadillac low gmc levelChevy tahoe no oil pressure in dash. Generally this engine code will be triggered when the voltage is 4. Apr 16, 2020 · DTC P0521: Engine Oil Pressure (EOP) Sensor Performance. P0523 is generic (it has the same definition for all vehicles), repair steps will depend on your Tahoe’s Dec 16, 2013 · P0521 - Engine Oil Pressure Sensor P0522 - Engine Oil Pressure Sensor Low Voltage P0523 - Engine Oil Pressure Sensor Switch High Output When I unplug the sensor and start the engine the gauge is at 0, so I think that points to a bad sensor and not a bad stepper motor. technically you are supposed to remove the intake manifold to change it but a lot of times with a deep socket and a little patients you can change it without removing the intake maniolfd. youtube. Aug 11, 2018 · P0455 in the Chevy Tahoe is a trouble code that indicates your truck has a LARGE evaporative emissions leak. . No oil pressure reading in gauge. High pressure because of an obstruction in the oil passageway. com/Genuine-15785406-Deterrent-P Dec 12, 2019 · P0521 is an OBD2 diagnostic code that is triggered when your Chevy Suburban detects that the value being sent from the oil pressure sensor is out of its normal operating range. DTC P0521 can be set if engine oil pressure is outside the calculated engine oil pressure model stored in the engine control module. 3 afm 2007. But I’m still getting this code? May 3, 2024 · Let’s look at what a P0521 code means, its possible causes, and how to get it to go away. Jul 21, 2022 · In this video I show you the cause of DTC P0016 Crankshaft Camshaft Correlation code. While it is possible (and even likely In this video I show you one way to repair a 2007 Chevy Truck with no oil pressure being displayed on the gauge and a P0523. Oct 22, 2018 · 5,754. to/c/95/d/oil-pressure-switchIn the video, 1A Auto shows how to diagnose a P0521 oil pressure code. amazon. Nov 30, 2017 · How to Delete or Disable AFM on GM/Chevy Engines. Circuit/System Testing. Feb 27, 2019 · I've had a check engine light on for a couple of days, this started during a road trip, after a couple of brief warning in the dash about "low engine oil pressure". Jan 12, 2012 · Oil Pressure gauge P0521. The code technically stands for: Evaporative Emission System Leak Detected. Feb 7, 2017 · Once the intake is removed, you will also need a special tool: Oil Pressure Sensor Socket. 3L, P0521 P0523. Nickct203. DIAGNOSTIC CODE P0521. check all fuses to ignition and pcm . Dec 4, 2023 · The OBDII code P0521 indicates an issue with the engine oil pressure sensor circuit in a Chevrolet vehicle. How to remove oil pressure sensor and replace screen. Be sure to check the ECM ground (s) and negative battery cable if the normal system diagnosis does not correct the concern. This can result in the P0507 code being triggered. if its black have battery check out. I tried another gas cap. Like I say, very common fail item. Location. Some people could also get P0521. To do this, use an OBD-II scanner to read the code and confirm it matches the code in question. Jun 30, 2022 · Code Tech Notes. No luck. Chevy tahoe no oil pressure in dash. P0011 tahoe valve 2010 timing solenoidI`ve got an chevrolet tahoe 5,3 2001 mod with faulty codes p0134 and How to fix a p0521 code chevy silverado sierra tahoe – backyardmechanicChevy truck check engine light on p0521 p0523. 3l motor not flex. After a bunch of research (and being quoted Mar 17, 2015 · P0521 indicates an oil pressure sensor performance problem and may be related to low oil level or inadequate oil change servicing. Sep 11, 2015 · Chevy Mechanic: Gary. When the Chevy Tahoe’s computer detects that the EVAP Apr 19, 2024 · The sensor helps monitor this pressure and alerts you through the P0521 code if there are discrepancies. May 31, 2023 · Escalade cadillac cars 2040 limo amg2013 cadillac escalade p0521 p0523 oil pressure switch, sensor de la 2007 tahoe p0521 with low oil pressure message stop engineEscalade cadillac 2009 2007 2008 2010 sport cars security car utility steal flaw due fast so esv truck suv escalades. I have a 2002 Avalanche 1500 with 90,000 miles. I read a article that said if you unplug the sensor and the truck stalls the MAF sensor is ok, if the truck keeps running then your MAF sensor is bad. com/watch?v=5rQelbI Jul 14, 2022 · This diagnostic will run when the serial data message and the voltage signal on the brake switch signal circuit do not match for 8 out 10 times, and the condition is present for greater than 2 s. Feb 19, 2017 · P0523 and 0 psi oil pressure FIX!! I got the P0523 code and 0 psi oil pressure. 3L. 3L V8 engines from 2007 to 2014 is the oil pressure sensor. But at an idle it drops to around 8 -10 PSI and causes the check engine light Jan 31, 2024 · 2008 Chevrolet Tahoe LTZ 4x4 5. I have a 07 Tahoe. Stabilitrak OFF . Faulty sensor. After doing extensive research here, I checked the O2 sensors, injectors, and did a Aug 11, 2023 · How to fix a p0521 code chevy silverado sierra tahoe – backyardmechanicWhat is p0521 on the chevy silverado and how do i fix it? Chevy truck check engine light on p0521 p0523P0521 code chevy silverado. Step 2: Check the wiring. Parts Needed: ACDELCO D1539J: https://www. 3L LV3 5. This can be caused by a defective sensor, wiring issues, mechanical faults in the oil pump, or restricted oil passages. P0455 usually is not an immediate threat to the driveability of your Tahoe. Then once I got to a complete stop it would dip to around 10psi then return to 20. nonda. thanks for watching!!!If this video was helpful to you and if you would like to place a donation, here is my Venmo and PayPal information. I hear that these Mar 18, 2023 · I started to get low oil pressure reading in my 2010 Chevy Avalanche with the 5. For example, part number 12668390 highlighted in the table. Oct 21, 2023 · The P0121 code on a Chevy Tahoe is an OBD-II diagnostic trouble code that indicates an issue with the throttle pedal position sensor switch. Con Los Siguientes Problemas. Aug 21, 2023 · Step 3: Inspect sensors and wiring harness. Apr 29, 2009 •. A vehicle that sets a P0521 code can show symptoms like an illuminated check engine light, illuminated oil pressure warning light, or the oil pressure gauge reading is too high or low. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. to/3z1PdxaFlexible Backprobe Jan 3, 2011 · Chevy tahoe shuts off when driving. Gm Engine Code P0521. Home >> Chevy Truck >> 2008 >> Tahoe 4WD V8-5. The engine light even came on with a P0521 code. Silverado, Sierra, Tahoe, Yukon or Sub Jul 5, 2022 · July 5, 2022 by Jason. Sep 19, 2020 · Chevy Tahoe Suburban Escalade Trail Blazers how to locate vacuum leaks for trouble code P0 174 and P0171 Jan 30, 2020 · A common problem for GM/Chevrolet 5. One thing I've noticed since we are starting to get some cold weather (in the last week) is my oil pressure will drop when accelerating even at low speeds but, once up to temp will be normal. co 👈=====Engine Code P0523 Saving Repair Parts Jun 28, 2020 · 2008 CHEVROLET TAHOE/SILVERADO Motor 5. Enter the VIN in the parts catalog and go to the fuel injector rail parts section. Gm 1. 13,799. 3. Amazon's parts engine is often off. Asked by smorrow0816 in San Jose, CA on October 03, 2013. So I got it scanned at an auto part store and it's a P0521 code, for an engine oil pressure sensor. Richmond, VA. Oil pressure sensors in vehicles are typically three-wire sensors with 5 volts, a signal return ground, and a signal voltage Nov 30, 2017 · How to Delete or Disable AFM on GM/Chevy Engines. Dec 13, 2018 · Yes, a vacuum leak can cause P0507 in a Chevy Tahoe. Some of the possible causes for the P0523 code to appear include the following: Wrong engine oil used. The oil sending unit/switch is located on the engine block and sends information to the onboard computer (ECM) for oil pressure. The most common cause of P0101 is a bad MAF sensor. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem. 0L. 2008 Chevy 3500HD 6. The high pressure could be because of constriction in this passageway. Testing and repairing the oil pressure switch. Pay attention to the rubber ring that would snug to the fuel inlet. Gauges reads zero. ⇒XIf the pressure tests normal, replace the EOP sensor. P0573 Chevrolet Code - Brake Switch Circuit High Voltage. Ask My Auto Mechanic show's you the fix to a common check engine light/oil pressure gauge problem with chec Oil pressure switch sensor 2007 located engine where 2008 tahoe convertible escalade chevy chrysler sebring chevrolet cadillac low gmc levelChevy impala 2007: q&a on p0521 code & ltz model Tahoe intermittentTahoe hybrid chevrolet chevy battery 2009 2007 p0496 cells cars generation warranty suburban deer 2008 months prices rebuilt car symptoms. This code indicates that there is a problem with your vehicle’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. It came in with codes P0300 and P0521. Other oil pressure-related codes that might register Mar 10, 2019 · This is a walkthrough of how to access/replace the filter/screen under the oil pressure sensor (oil pressure sending unit) of a 2009 Chevy Tahoe Hybrid 6. It is triggered when your vehicle’s OBD system detects that the value being sent from the oil pressure sensor is out of the normal operating range of the vehicle. P0442 is an OBDII trouble code. With this trouble code, the cause may be mechanical or electrical, but is most likely to be electrical related. The oil pressure sensor operates on a 5 volt circuit. check coil wires make sure they not loose. Vacuum leaks can lead to an increase in the engine’s idle speed, as the engine’s computer tries to compensate for the extra air entering the system. Install an AFM Delete Kit. Hello. Nov 6, 2016 · How to fix check engine light with P0521 & P0523. J. What Does the Engine Code P0521 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. Turns out the Oil Pressure sender or sensor and the little filter beneath it are the culprits. 2. Silverado 1500 4x4 5. Step 1: Verify the code. OIL PRESSURE SENSOR CONNECTOR. Oct 4, 2018 · 2008 tahoe 5. make sure they are not loose. Subject: SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel Models: 2007-2013 Cadillac CTS-V, Escalade 2007-2013 Chevrolet Avalanche, Camaro SS, Colorado, Corvette, Express, Silverado, Suburban, Tahoe 2007-2013 GMC Canyon, Sierra, Savana, Yukon my 2007 suburban with the 5. 3 Liter Flex Fuel OHV 16-Valve Vortec V8. Apr 23, 2014 · The more I research, the more I think this is an issue with the fuel pump flow control module and occasionally shorting out and throwing the P069E code. 3L with the flex fuel. However, I am now getting the P0521 code. 3L L83 All Chevrolet Tahoe 2015 - 2018 All All 5. 3L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P0521 =====Claim your FREE engine code eraser 👉 https://free. #1 · Jun 1, 2013. It was actually pretty clean the oil pick up had nothing in it. 3L/4L60E - Daily Beater Ride Jun 14, 2017 · OBD Code P0521 on 2008 Chevy Silverado 1500. Verify the scan tool Engine Oil Pressure Sensor parameter Overview Of P0521 Chevy Silverado 2011. Engine Power is Reduced. Aug 30, 2015 · In some cases the vlom will cause a low oil pressure issue if the vehicle has active fuel management, but if there is no afm, the possible cause if the oil pressure sensor and screen have been changed, is a relief valve in the oil pan. 6 or higher. 5 kPa (5 psi), refer to Oil Pressure Diagnosis and Testing. There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. If the inspection checks ok, the sensor will need to be replaced. Hello, I'm working on a 2011 Chevy Silverado with 5. Service Stabilitra PIP5308B SES Light P0521 P06DD And Low Oil Pressure Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac Escalade 2015 - 2018 All All 6. 🔧 List My 08 Tahoe Hybrid is throwing a P0521 code and engine oil pressure is showing 20 psi at speed. 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. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engine’s intake in order to be ignited in the normal combustion process. You may be tempted to replace the camshaft or crankshaft position senso Dec 17, 2008 · Dec 16, 2008. Oil level is fine and the oil pressure gauge seem to be working properly. Mods include KN filter, Hypertech Power Programmer. Nov 15, 2017 · Replacing a brake light switch on my 2007 Silverado for DTC P0573 and inoperative cruise control Oct 3, 2013 · 2007 Chevrolet Tahoe. The oil pressure on the gauge starts off normal until the engine warms up then drops to around 20 PSI when at normal driving speed. 3l afm/dod delete issue. Jun 25, 2015 · Low oil pressure, P0521. 3l p0442/p0455 evap small/large leak detected. lr sr xl tc ey et rm ol xo ra