L5p nox sensor - L5P DEF Injector and NOX Sensors. Hello, I have a stock 2018 L5P 140k miles and am getting code P20EE. I have replaced both nox sensors and def injector with no change in nox performance, reset sensors with snap on scanner. At highway speeds nox1 is usually around 200-300ppm and nox 2 is almost always higher, rarely even with …

 
P22FB DTC description is NOx Sensor 1 Performance - Sensing Element. Our electrical engineering team is in the process of extracting info from data logs captured by a group of test pilots in the field. The Duramax L5P has 2 NOx sensors in the exhaust stream. NOx sensor 1 is located right after the turbocharger.. Kph keystrokes per hour

Diesel Particulate Filters DPF, Diesel Oxidation Catalysts DOC, Selective Catalytic Reduction SCR - Emission Sensors: NOX, EGT, O2, Particulate Matter, Pressure - Nitrous Oxide (NOx) Sensors; Chevy/GMC Duramax Parts - 2017+ Chevy/GMC Duramax L5P 6.6L Parts - Diesel Particulate Filters, DOCs, SCRs | 2017+ Chevy/GMC Duramax L5P 6.6LBy sending pH and color data to a special tumbler, the team created lemonade out of water. Learn about the method in this HowStuffWorks article. Advertisement Remember how far-fetc...Description. GM OEM Nitrogen Oxide Sensor (NOx SENSOR). Downstream. Position 2. This NOx sensor is located Downstream in the exhaust. May We Suggest. GM OEM L5P Nitrogen Oxide Sensor (NOx …Jan 7, 2024 · For reference, 21 is a NOx sensor, the can is the SCR cat, 10 is your DEF injector and #1 is the same sensor as #9 in the diag above. Then, we have number 3 which is the inlet of the DPF labeled Sensor Exhaust Gas Temp (Bank 1 Sen 4) Apr 17, 2021 · On a 18 L5p there are at least 2. One before and one after the scr. It compares these to see if the def and scr are doing the job. I saw in my scan tool an Autel, a nox sensor calibration test. So it may not be plug and play. The high and low range limits of each sensor was pretty wide on the scan tool. $14016. FREE delivery Saturday, May 11. Ships from: Amazon. Sold by: Amazon Warehouse. Other sellers on Amazon. New & Used (14) from$14016 & FREE …L5P P0191 Code & Fuel Pressure Sensor Replacement. Wainer12; Sep 7, 2021; 37 ... Question: L5P Duramax NOX Sensor #1 and codes. Durob18; Dec 19, 2021; 6 ... (L5P) 6.3K posts 4.4M views Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.Jul 20, 2021 · Bought a 2021 Chevy Silverado 3500 HD SRW, CC 4x4 with the L5P in April. Back to the dealer @ 3600mi with cel and code P20ee. They diagnosed with “ Nox sensor, false reading” reflashed the ECU and cleared the code. A week and 150mi later cel and same code (now reads as a permanent code). They’ve had it for a week now, got GM engineering ... 2021 Chevy 3500 6.6 Duramax. 3900+ miles DEF Sensor engine code. Dealer had for over a week. 13000 miles NoX Sensor issue, have taken to dealer 3 times and still no fix. 1st time dealer had 1 week ...$238.57. - +. Add to Cart. WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov. NOx Sensor, Position 2, Downstream. Fits 2020-2022 …Aug 30, 2021 ... 2016 Cascadia DD15 Nox sensor issue spn 3238 fmi 2! After treatment problem! · 2017 Duramax 6.6 L5P Nox Sensor Replacement · 2012 Cascadia ...Jun 2, 2021 · Duramax L5P Engine Problems. MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. Bad NOx sensor (s) were one of the classic reasons for the "Poor Quality DEF" message. Especially 2011/12's. Many many many reports here and other forums of the NOx sensors being the cause of that message. It could have happened, but I don't recall anyone posting that the bad sensors were the cause of an ECM failure.The assembly uses two NOx sensors: the first sensor (referred to as NOx sensor 1) is located near the turbo downpipe and measures engine-out NOx. The second sensor (referred to as NOx sensor 2) measures NOx levels exiting the SCR catalyst. The SCR assembly contains a catalyst brick that requires DEF, or diesel exhaust fluid, for activation.To fix the automobile fault code p11db, follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors.There are a couple vids on replacing nox 1 on the l5p with nothing other than reseting the cel. You'd be good to go with what you have. Worst case maybe a regen.22 posts · Joined 2020. #5 · Mar 16, 2021. After about a 45 minute wait in hold I did get through to a tech at Edge. He acted as surprised as I am to find out that the CTS3 does not have a PID that will display the NOx sensors’ values. This is a serious fail. OBD Fusion will show them and it is only costs a few bucks.FWIW, NOx sensors monitor the level of NOx in the exhaust, before and after the treatment process that uses the DEF. All of this is downstream of the engine, so driveability is not affected. ... Sold 2021 LM2 Sierra 4x4 crew 6.5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004.5 LLY. Save Share. Like. D. Dmax310 …L5P emissions. Contrary to a few who say there hasn't been any issues, there are numerous on other threads. "Check engine light on, again" The threads are just spread out, my fault too for not looking deeper on forum. 2018 Chevy LTZ, 4X4 DblCab SB, Duramax, Graphite Metallic, Leather, BFG LT285/65R18's,nav, Husky floor mats, WeatherTech splash ...Duramax L5P Engine Failures. I am not suggesting that there is any problem (s) with the 2017 to current L5P Durmax Engines. I am curious owning a 2021 L5P myself if anyone has had any serious issues with this engine. In doing research I find problems like NOX Sensors, DEF heaters / tanks, and injector electrical plugs, but that is about it.The ECM sets a DTC when a serial data message is received from the NOx sensor module. The Diagnostic Trouble Code (DTC) will be set if the ECM software detects a fault in the NOx sensor circuitry or a performance fault in the NOx sensor for greater than 2 s. P11CC Code - Nox Sensor 1 Performance Signal Low.2017 L5P nOX sensor removal. position 2. I'm at a loss. I have been trying for hours to remove this sensor. It wont budge. Seems to be some temp sensors right next to the sensor. Working around those sensors. Any help or reference to a video on how to get it removed would be great. 0. 1 Share.previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. Save Share. Like. S. SouthFloridaGMC. ... "The NOx Sensor is on the way out when you drive it out of the lot" Save Share. Like. Show more replies. 0 Reply. Grasshopper101. 952 posts ...Mar 12, 2021 · GM To Replace NOx Sensor In Some 2020 Chevy Silverado HD, GMC Sierra HD Trucks 19. by Sam McEachern ... the 6.6L L5P V8 Duramax diesel engine may have a damaged nitrogen oxide sensor connector wire. 1824 posts · Joined 2020. #5 · Jan 22, 2022. NOX sensor 2. It's going to be bolted to the passenger side frame rail in front of the rear tire.. Square silver box with wires going to the exhaust system.. I have a 2015.5 Chevy 3500 single rear wheels.63K views 3 years ago. 2018 Silverado position #1 NOX Sensor replacement, code P11DB and code P249D Thank you for watching! If you would like to see exclusive, add free content …13 posts · Joined 2017. #1 · Sep 17, 2018. Is anyone else having issues with the 2017 and 2018 l5p duramax? I work for a company that leased probably around 30 Silverado 3500s. And I've seen one truck with 52 miles on it with 2 bad injectors, multiple issues with regen not working from sucked in air filter to a plugged def injector.Jan 16, 2023 · L5P DEF Injector and NOX Sensors. Hello, I have a stock 2018 L5P 140k miles and am getting code P20EE. I have replaced both nox sensors and def injector with no change in nox performance, reset sensors with snap on scanner. At highway speeds nox1 is usually around 200-300ppm and nox 2 is almost always higher, rarely even with 1 and sometimes as ... The ECM sets a DTC when a serial data message is received from the NOx sensor module. The Diagnostic Trouble Code (DTC) will be set if the ECM software detects a fault in the NOx sensor circuitry or a performance fault in the NOx sensor for greater than 2 s. P11D5 Code - NOx Sensor 2 Exceeded Minimum Learning Limit.I assume dp is differential pressure sensor. Unsure if programming is needed for that. 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Banks idash, S&B map spacer, VSE fuel filtration, 5 inch exhaust. The NOX sensor require a relearn/reset. Higher end scan tools have this capability.Dec 18, 2021 · #1 · Dec 18, 2021 (Edited) Hi guys, the check engine light appeared on my truck panel and I used the scanner and it showed this. Also I bought an original NOX sensor, I erased the code and replaced it but the problem continues. Someone with the same problem?, any answers will be appreciated. Thank you. 1. 2018 Chevy Silverado 2500 HD L5P. The DPF DTC would be an caused by a boost leak. When you have a boost leak it produces excessive soot filling up the DPF rather quickly. There is no O2 sensors persay on this truck. It's Nox sensors. Also your regen of the DPF (continue driving message) will be basic useless to clean the DPF with a boost leak.as with all my videos i try to give the most information in the least amount of time as possible so i don't waist your time. in this video i go over how to r...Pretty common for the NOX sensors and DEF and DPF system to be acting up on the LMLs. Especially up thru 2015. Still get a few issues on the L5P but not like …The assembly uses two NOx sensors: the first sensor (referred to as NOx sensor 1) is located near the turbo downpipe and measures engine out NOx. The second sensor (referred to as NOx sensor 2) measures NOx levels exiting the SCR catalyst. The SCR assembly contains a catalyst brick that requires DEF, or diesel exhaust fluid, for activation. Diesel Particulate Filters DPF, Diesel Oxidation Catalysts DOC, Selective Catalytic Reduction SCR - Emission Sensors: NOX, EGT, O2, Particulate Matter, Pressure - Nitrous Oxide (NOx) Sensors; Chevy/GMC Duramax Parts - 2017+ Chevy/GMC Duramax L5P 6.6L Parts - Diesel Particulate Filters, DOCs, SCRs | 2017+ Chevy/GMC Duramax L5P 6.6L Jan 16, 2023 · L5P DEF Injector and NOX Sensors. Hello, I have a stock 2018 L5P 140k miles and am getting code P20EE. I have replaced both nox sensors and def injector with no change in nox performance, reset sensors with snap on scanner. At highway speeds nox1 is usually around 200-300ppm and nox 2 is almost always higher, rarely even with 1 and sometimes as ... Dec 15, 2021 ... I'm not sure if it would be worth a try but I have seen some aftermarket chicom sensors on eBay. When I saw them I was wondering how long it ...GM OEM L5P Nitrogen Oxide Sensor (NOx SENSOR) (Upstream) (2018-2019) (0) Reviews: Write first review. SKU: 12718742. Fits: 2018-2019 GM/Duramax Pricing: $194.63. Qty: Add to Cart Add to Wishlist. Item Inquiry Tell a Friend. Description; Details; Shipping; Reviews; Description.L5P NOx Sensor, Upstream (2018-2019) $245.50 Availability: Call for Availability . Add to Wish List WARNING: Cancer and Reproductive Harm - p65warnings.ca.gov. Part#: DMAX-8742: Ask About This Item. Description Reviews. NOx Sensor, Position 1, Upstream.The block for the sensor at the back/top of the motor is on the LHS of the firewall. The block for the DPF sensor is frame mounted. They are about $380 each (in Canada). If you've still got warranty, u you might as well use it. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and …NOx Sensor, Position 1, Upstream Fits 2017 Silverado/Sierra 2500HD/3500HD L5P Part# DMAX-8675 Replaces GM 12718675 or 12676705 *Contact us for current lead times* OEM Replacement Upstream(Position 1) NOx sensor. This NOx sensor is located upstream in the downpipe. GM Replacement Part# 12718675 / Old Part#12676705 Note:L5P NOx Sensor, Upstream (2018-2019) Part# DMAX-8742. $255.42. - +. Add to Cart. WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov. NOx Sensor, …2021 Chevy 3500 6.6 Duramax. 3900+ miles DEF Sensor engine code. Dealer had for over a week. 13000 miles NoX Sensor issue, have taken to dealer 3 times and still no fix. 1st time dealer had 1 week ...If a NOx Sensor Sensing or Current Performance (P1004, P11D5, P11DC, P22A7,P 22FE) and/or NOx catalyst efficiency DTC (P20EE, P249D, P249E, P2BAA) has set, can the issue be duplicated on an extended drive in which the P20EE OBD DTC successfully runs? Parts Information Description Part Number Qty NOX Sensor 1 12676705 1 NOX Sensor 2 12676706 1Steps for resetting Duramax NOx sensors. Step 1: Turn off the engine. This is crucial to ensure your safety while working on the sensors. Step 2: Disconnect the battery. This will prevent any electrical current from flowing through the sensors while you work on them. Step 3: Locate the NOx sensors.NorskeNY, when it checks the 'result' at sensor 2 and determines the NOx was not reduced as expected it then assumes the def is 'poor quality'. This is why a faulty sensor results in the poor def message. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY.Apr 17, 2021 · On a 18 L5p there are at least 2. One before and one after the scr. It compares these to see if the def and scr are doing the job. I saw in my scan tool an Autel, a nox sensor calibration test. So it may not be plug and play. The high and low range limits of each sensor was pretty wide on the scan tool. Using portable 5 gas for SCR DiagnosticsNEW L5P Duramax DPF Rear Downstream NOx Sensor | 12676706, 12718676, 12673517 | 2017-2019 GM Duramax 6.6L. Item #: 12676706. Price: $299.00. Sale: $199.95. Buy in monthly payments with Affirm on orders over $50. Learn more. Free Shipping. Ask the Diesel Experts. Email Us Get answers from the pros. 920-361-7700 Mon-Fri: 8am - 5pm (CST) Sat-Sun: Closed. Fits: 2017-2019 GM/Duramax. Fits 2017 Silverado/Sierra 2500HD/3500HD L5P. *Contact us for current lead times*. OEM Replacement Upstream (Position 1) NOx sensor. I assume dp is differential pressure sensor. Unsure if programming is needed for that. 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Banks idash, S&B map spacer, VSE fuel filtration, 5 inch exhaust. The NOX sensor require a relearn/reset. Higher end scan tools have this capability.NOx Sensor, Position 1, Upstream Fits 2020-2022 Silverado/Sierra 2500HD/3500HD L5P Part# DMAX-8005 Replaces GM Part# 12708005 *Contact us for current lead times* OEM Replacement Upstream(Position 1) NOx sensor. This NOx sensor is located upstream in the downpipe. GM Replacement Part#12708005 Note: Reset procedure requiL5P P0191 Code & Fuel Pressure Sensor Replacement. Wainer12; Sep 7, 2021; 37 ... Question: L5P Duramax NOX Sensor #1 and codes. Durob18; Dec 19, 2021; 6 ... (L5P) 6.3K posts 4.4M views Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.Jan 22, 2022 · 1824 posts · Joined 2020. #5 · Jan 22, 2022. NOX sensor 2. It's going to be bolted to the passenger side frame rail in front of the rear tire.. Square silver box with wires going to the exhaust system.. I have a 2015.5 Chevy 3500 single rear wheels. 17 posts · Joined 2019. #2 · Sep 28, 2022. Check all of the other NOX/EGT sensors and check for voltage at the plug, I lost bank EGT 1 and it read infinite with an ohm meter so I replaced. 2016 cc standard box GMC Sierra 2500HD 4x4 Iridium base stock. This is an older thread, you may not receive a response, and could be reviving an old thread.1 post · Joined 2022. #13 · Jan 5, 2022. I was also getting code P249D and was able to fix it by replacing the def injector. I purchased part # 12688993 from Rock Auto, $95 half the price of the dealership, installed using the link below for a reference, and it is now fixed. The code came back a couple of times after replacing it for the ...P20EE - SCR Oxides Of Nitrogen Catalyst Efficiency Below Threshold (Bank 1) The code was in there 3 times with: CONFIRMED, PENDING, and PERMANENT. I am not happy. Steve. 2023 Chevy 1500 LTZ 4WD CC 3.0L (LZ0) 2018 Chevy 3500HD SRW LTZ 4WD LB CC D/A (L5P) -- 2013 Chevy 3500HD SRW LTZ 4WD LB CC D/A (LML) -- 2002 Chevy 2500HD LT 4WD SB CC D/A (LB7 ...In today’s advanced automotive industry, sensors play a vital role in ensuring the smooth and efficient operation of vehicles. These sensors are responsible for collecting data and...17 posts · Joined 2019. #2 · Sep 28, 2022. Check all of the other NOX/EGT sensors and check for voltage at the plug, I lost bank EGT 1 and it read infinite with an ohm meter so I replaced. 2016 cc standard box GMC Sierra 2500HD 4x4 Iridium base stock. This is an older thread, you may not receive a response, and could be reviving an old thread.Also, the first time the truck went in for the NOx sensor, they also replaced a seal on the rear differential, which was at about 850 miles. 2017 GMC Sierra 2500HD SLT CCSB 4x4 L5P Duramax, stock 2003 Chevy Silverado 2500HD LS ECLB 2WD 6.0 Vortec, 375k mi. and counting, stockNEW L5P Duramax DPF Rear Downstream NOx Sensor | 12676706, 12718676, 12673517 | 2017-2019 GM Duramax 6.6L. Item #: 12676706. Price: $299.00. Sale: $199.95. Buy in monthly payments with Affirm on orders over $50. Learn more. Free Shipping.EQS Preliminary announcement financial reports: First Sensor AG / Preliminary announcement on the disclosure of financial statements ... EQS Preliminary announcement financ...Nov 3, 2017 ... 2017 Duramax 6.6 L5P Nox Sensor Replacement. Drews Shop Life•14K ... How to fix a NOX Sensor DIY for $10 on any diesel engine without ...Most airbag crash sensors are located in the front of the vehicle. Domestic vehicles typically have between one and three sensors located in the crush zones at the front of the aut...U029D: The Low Fuel Pressure System. The U029D code is related to the reductant system in an automobile. The system uses two NOx sensors to monitor the amount of NOx in the engine’s exhaust gas. The second NOx sensor is located between the SCR and the DPF. The ECM sets a DTC when a serial data message is received from the NOx sensor …Diesel Particulate Filters DPF, Diesel Oxidation Catalysts DOC, Selective Catalytic Reduction SCR - Emission Sensors: NOX, EGT, O2, Particulate Matter, Pressure - Nitrous Oxide (NOx) Sensors; Chevy/GMC Duramax Parts - 2017+ Chevy/GMC Duramax L5P 6.6L Parts - Diesel Particulate Filters, DOCs, SCRs | 2017+ Chevy/GMC Duramax L5P 6.6LTo fix the automobile fault code p11db, follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors.Hello, I am new to this forum and a new DMAX owner as well. I just purchased a used 2017 2500HD LT, L5P, with no aftermarket mods. I have had the same two codes 3 times now within 26 days. The first time they replaced a NOX sensor, 2nd time was 4 Injectors, just waiting for the results from the 3rd download.System Overview. The diesel exhaust aftertreatment system is designed to reduce the levels of hydrocarbons (HC), carbon monoxide (CO), oxides of nitrogen (NOx), and particulate matter remaining in the vehicle’s exhaust gases. Reducing these pollutants to acceptable levels is achieved through a 4 stage process: 1.Home » 2017-2024 6.6L Duramax L5P Installation. 2017-2024 6.6L Duramax L5P Installation. Click here for 2017-2024 Duramax L5P Installation (PDF) About. Dr Performance started out in the small town of Harrison, Idaho in 1995. After moving to Weatherford, TX for a short time we now reside in Kellogg, and Coeur d'Alene, ID.2011 LML NOx sensor reset procedure. I have a Snap On Solus Ultra scanner 17.2 version. I have replaced the front and rear NOx sensors on a 2011 LML engine and want to do the reset procedure. When in the snap on menu you can start the reset and a couple of graphs come up with engine on but not running. It mentions …Apr 8, 2021 ... A few weeks ago I got a CEL for P229F (faulty NOx sensor 2) and had it checked out and confirmed at a local indy shops that is known for working ...Looking for info on the Duramax NOx sensor information and found this: Diesel NOx sensor technology | Search Autoparts. Like oxygen sensors, NOx sensors …The ECM sets a DTC when a serial data message is received from the NOx sensor module. The Diagnostic Trouble Code (DTC) will be set if the ECM software detects a fault in the NOx sensor circuitry or a performance fault in the NOx sensor for greater than 2 s. P11CC Code - Nox Sensor 1 Performance Signal Low.#1. We were driving down a steep grade using the exhaust brake yesterday and got a CEL. I used my Banks iDash to see that it is a P20EE code, which means, " …EQS Preliminary announcement financial reports: First Sensor AG / Preliminary announcement on the disclosure of financial statements ... EQS Preliminary announcement financ...Ask the Diesel Experts. Email Us Get answers from the pros. 920-361-7700 Mon-Fri: 8am - 5pm (CST) Sat-Sun: Closed. Fits: 2020-2023 GM/Duramax.L5P FUEL RAIL PRESSURE SENSOR LOCATION. Bodine1479; Jul 17, 2021; 5 32K Jul 30, 2023. by artygarcia93. 1 1 of 4 Go to page. Go. 4. L5P TSB (service bulletins, recalls, updates) 2.2K posts 1.4M views Postings of Tech Service info for any New L5P engine issues. ...

NOx Sensor, Position 1, Upstream Fits 2020-2022 Silverado/Sierra 2500HD/3500HD L5P Part# DMAX-8005 Replaces GM Part# 12708005 *Contact us for current lead times* OEM Replacement Upstream(Position 1) NOx sensor. This NOx sensor is located upstream in the downpipe. GM Replacement Part#12708005 Note: Reset procedure requi. How to make a float out of a shoebox

l5p nox sensor

Nox Player is a powerful Android emulator that has been making waves in the gaming community. With its impressive set of features and user-friendly interface, Nox Player has become...NOx sensor 2 gets pelted by urea particles from over saturated catalyst. In the gen 2 GM somewhat fixed this issue but the gen 1 has a major issue with super saturating the catalyst with DEF. Urea is of course somewhat corrosive and not something we want on our sensors. Short term the sensor will indicate high NOx (urea and NOx are the same ...NEW 2017 L5P Duramax DPF Front Upstream NOx Sensor part number 12673516, 12676705, 12718675. This part features a one year warranty.The ECM sets a DTC when a serial data message is received from the NOx sensor module. The Diagnostic Trouble Code (DTC) will be set if the ECM software detects a fault in the NOx sensor circuitry or a performance fault in the NOx sensor for greater than 2 s. P11CC Code - Nox Sensor 1 Performance Signal Low.GM OEM L5P Nitrogen Oxide Sensor (NOx SENSOR) (Downstream) (2017-2019) (0) Reviews: Write first review. SKU: 12718676. Fits: 2017-2019 GM/Duramax Pricing: $209.05. Qty: Add to Cart Add to Wishlist. Item Inquiry Tell a Friend. Description; Details; Shipping; Reviews; Description.NorskeNY, when it checks the 'result' at sensor 2 and determines the NOx was not reduced as expected it then assumes the def is 'poor quality'. This is why a faulty sensor results in the poor def message. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY.Aug 17, 2013 · The block for the sensor at the back/top of the motor is on the LHS of the firewall. The block for the DPF sensor is frame mounted. They are about $380 each (in Canada). If you've still got warranty, u you might as well use it. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. Description. GM OEM Nitrogen Oxide Sensor (NOx SENSOR). Downstream. Position 2. This NOx sensor is located Downstream in the exhaust. May We Suggest. GM OEM L5P Nitrogen Oxide Sensor (NOx …NOx Sensor 1 and Sensor 2: Functions and Differences. The NOx sensor 1, positioned upstream of the diesel particulate filter (DPF), monitors the amount of nitrogen oxide in the exhaust gas directly after it is produced during combustion. This sensor plays a pivotal role in adjusting engine settings to control NOx output.I have replaced 1 nox sensor and had the particulate filter cleaned once. At Round 165,000 I had an exhuast leak and noticed a downfall to the l5p emissions system. I had to clean the intake system completely and rebuild the turbo but this gave me a chance to add some whirleyfab upgrades which made a huge difference in spooling and overall power..Verify a test lamp illuminates between the NOx sensor 1 control circuit terminal and ground. If the test lamp does not illuminate and the circuit fuse is open, replace the device that was just connected. If the test lamp illuminates. Repeat steps 6.7-6.9 for the remaining devices until a faulty device is identified.I have a '17 3500 that's recently throw the "Service Emission" message with a countdown to 65 mph speed limit along with a CEL. The codes from my generic reader are the following: P2ADA: "Reductant Tank Temperature Sensor 2 Circuit Performance". P11D3: "NOx Sensor 1 Exceeded Minimum Learning Limit". We've been hauling a 5er across the ….

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