L5p nox sensor - Not a single issue until 4/04/2021. 7812 miles, had been driven 150 that day, 20 miles from home, check engine light, derate & shut-down in seconds. Lotsa white smoke. Dealer replaced fuel pump, still no start, no fuel pressure, lift pump working perfectly. Maybe $77,000 isn't enough to get one to 10,000 miles.

 
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.. Galleria mall belk

2017 L5P with P20EE code. 2017 Silverado, L5P w/81K miles. Starting to get code P20EE which suggests a "low catalyst efficiency". I can clear the code with my Edge and drive for a certain number of miles without the code reappearing- but, it eventually returns. I've seen some owners claim the #2 NOx sensor or the DEF injector may be the culprit.NOx Sensor, Position 2, Downstream Fits 2011-2014 Silverado/Sierra 2500HD/3500HD LML Part# DMAX-1388 OEM Replacement Downstream (Position 2) NOx sensor. This NOx sensor is located in the exhaust system. ... L5P: 2020+ SILVERADO/SIERRA; LM2: 2020-2022 SILVERADO/SIERRA 1500; LZ0: 2023+ SILVERADO/SIERRA 1500; LWN: 2015 …This condition may be caused by a damaged NOx2 sensor, as shown in the graphic above. Correction If the sensor is found to be damaged, replace the NOx 2 sensor Service Procedure Refer to Nitrogen Oxides Sensor Replacement - Position 2in SI. Parts Information Causal Part Description Part Number Qty X SENSOR, NOX (POSN 2) 12695882 1Jul 11, 2022 · 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. 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. ACDelco NOx (Nitrogen Oxide) Sensor - 12718742. Part #: 12718742. Line: ACD. Check Vehicle Fit. NOx (Nitrogen Oxide) Sensor Upstream. 2 Year LIMITED WARRANTY. Shop for the best NOx (Nitrogen Oxide) Sensor for your 2018 GMC Sierra 2500 HD, and you can place your order online and pick up for free at your local O'Reilly. NEW L5P Duramax DPF Front Upstream NOx Sensor | 12708005, 12695881 | 2020-2022 GM Duramax 6.6L NEW L5P Duramax DPF Rear Downstream NOx Sensor | 12708006 | 2020-2022 GM Duramax 6.6L 17+ L5P 6.6L Duramax Diesel Particulate Filter (DPF) | 1 Year Warranty | 2017+ GMC / Chevy Duramax L5P 6.6L Nox Player is a powerful Android emulator that allows users to run mobile apps and games on their computers. Whether you are a gamer looking to play your favorite mobile games on a...Feb 16, 2017 · 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, stock - - L5P - Silverado 2500/3500 HD 2020 2021 GMC Sierra 2500/3500 2017 2019 Sierra 2500/3500 HD 2020 2021 Involved Region or Country North America and Israel ... reduction by looking at the NOx 1 and NOx 2 sensor readings. The ECM also looks at other sensors to predict what the NOx reduction should be. Certain things can influence2017 L5P Duramax Code P026D. Jump to Latest Follow 41 - 60 of 68 Posts. 1 3 of 4 Go to page. Go. 4. M. Mmecsics · Registered. 2021 Denali HD ... Im with ya bud, 18 GMC with constant CEL and now the dreaded P289 code which is DEF quality, or a NOX sensor or some other unknown. Ive read where dealers throw a NOX sensor at it and …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...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...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 ...GM OEM L5P Nitrogen Oxide Sensor (NOx SENSOR) (Downstream) (2020-2023) (0) Reviews: Write first review. SKU: 12708006. Fits: 2020-2023 GM/Duramax Pricing: $191.00. Qty: Add to Cart Add to Wishlist. Item Inquiry Tell a Friend. Description; Details; Shipping; Reviews; Description. GM OEM Nitrogen Oxide Sensor (NOx SENSOR). Downstream. …L5P Can Bus Plug kit; L5P Can Bus Plug kit. $140.00. Truck year. QTY. Description. L5P Plugs will replace the nox and def module when the exhaust/def is removed from the L5P for racing. They will keep the CAN-BUS alive to the fuel tank and maintain normal ECU operation for fuel tank/lift pump data. These plugs can be utilized or the factory modules …#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, " …This condition may be caused by a damaged NOx2 sensor, as shown in the graphic above. Correction If the sensor is found to be damaged, replace the NOx 2 sensor Service Procedure Refer to Nitrogen Oxides Sensor Replacement - Position 2in SI. Parts Information Causal Part Description Part Number Qty X SENSOR, NOX (POSN 2) 12695882 1Placeholder Product Name. Placeholder Product Name. $00.00. 0000-0000 Placeholder Application. Pick up the Dorman 904-422 Nitrogen Oxide Exhaust Sensor today. Get the best parts for your vehicle for the best price, available at XDP.com.Temperature sensors are essential devices used in various industries to measure and monitor temperature changes accurately. They play a crucial role in ensuring the safety and effi...Chevrolet Silverado 2017 All 6.6 L5P N/A GMC Sierra 2017 All 6.6 L5P N/A Involved Region or Country North America Additional RPO/s: 6.6 L5P Condition As part of our ongoing quality improvement efforts the 2017 6.6L Duramax Diesel NOX1 Sensor (Part Number 12676705) and NOX2 (Part Number 12676706) have been placed on a parts restriction …Jun 9, 2022 ... Using the procedure in DDTSB measuring method 5240 (NOx-sensor and 7666 (SCR) we diagnosed this fault using a known good measurement.When it comes to running Android apps and games on your computer, Android emulators are the way to go. These powerful tools allow you to enjoy your favorite mobile apps on a larger...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 …Tesla is removing ultrasonic sensors from Model 3 and Model Y vehicles, the next step in CEO Elon Musk's Tesla Vision plan. Tesla is removing ultrasonic sensors from Model 3 and Mo...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.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.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 …This video covers the first two modifications that you should perform if you have a L5P Duramax. 17-19 L5P DMAX TRANSMISSION COOLER THERMOSTAT BYPASS PLUGhtt...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, …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...I've had a P20EE code pop up for the past couple months. Been hoping it might just be bad fuel, DEF, or something else that might have driven it, so I've reset it a couple times, but it always comes back. No DEF messages from the truck. Just filled it with 2.5 gallons of DEF. Truck is a '13 LML with around 65K on it.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 ...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. 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 …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 …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 …Dasbecan 68210084AA Nox Nitrogen Oxide Upstream Sensor Compatible with Ram 2500 3500 4500 5500 6.7 2013-2018 Cummins 6.7L Replace# 904-6030 dummy ACDelco GM Original Equipment 12680215 Nitrogen Oxide Sensor#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, " …L5P NOx Sensor, Upstream (2017) Part# DMAX-8675. $262.93. - +. Add to Cart. WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov. NOx Sensor, …NOx Sensor, Position 1, Upstream Fits 2018-2019 Silverado/Sierra 2500HD/3500HD L5P Part# DMAX-8742 Replaces GM Part# 12680215 / 12718742 *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#12680215 or 12718742 NoteACDelco NOx (Nitrogen Oxide) Sensor - 12718742. Part #: 12718742. Line: ACD. Check Vehicle Fit. NOx (Nitrogen Oxide) Sensor Upstream. 2 Year LIMITED WARRANTY. Shop for the best NOx (Nitrogen Oxide) Sensor for your 2018 GMC Sierra 2500 HD, and you can place your order online and pick up for free at your local O'Reilly.2. The sensor module for NOX2 is to the rear of the Fuel Filter (as opposed to the module for the Particulate Matter Sensor, which is forward of the Fuel Filter). 3. The original part number for NOX2 is 12641557. It has been replaced by an updated part - number 12662659.If you’re experiencing issues with your vehicle’s speedometer or noticing erratic speed readings, it could be due to a faulty speed sensor. The speed sensor is a crucial component ...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 …There seem to be a couple fixes. One, buy a OEM sensor and keep it and the tools needed in your truck. Two, S&B makes a TMAP sensor spacer that gets the sensor out of the manifold and out of the soot stream. I purchased an new OEM sensor - GM/ACDelco part #12681993 to have on hand in case I ruined the sensor in the truck …If you can access codes from the NOXS-B, then the U029E code is either intermittent or a memory code. If unable to access the NOXS-B, then the U029E code that the other modules are setting is active, and the problem is there now. The most common failure is a circuit fault which causes the loss of power or ground to the nox sensor b.Apr 8, 2021 · 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 ... May 18, 2020 ... SCN coding/programming is needed for a new NOx sensor... A trip to the dealer will be needed in your case. If you buy a good used one that has ...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 …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.This NOx sensor is located upstream in the downpipe. GM Replacement Part#12680215 or 12718742. Note: Reset procedure required after installation.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, …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 ...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.2017 L5P Duramax Code P026D. For those folks who may have the check engine light come on and the following code comes up: P026D, I want to let you know that, for me, it was the MAP sensor being dirty. It has happened twice in the last few months, and I have been able to clear the code by cleaning the sensor.By B R Oniango / November 12, 2022. The P11DB diagnostic trouble code is set when there is a problem with the nitrogen oxide (NOx) sensor. It indicates an issue with the NOx sensor current performance bank 1 sensor 1 in Chevrolet or GMC diesel vehicles. The possible causes of the P11DB code include a faulty NOx sensor, an open or shorted … This video covers the first two modifications that you should perform if you have a L5P Duramax. 17-19 L5P DMAX TRANSMISSION COOLER THERMOSTAT BYPASS PLUGhtt... Hey, gents. 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".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.If you can access codes from the NOXS-B, then the U029E code is either intermittent or a memory code. If unable to access the NOXS-B, then the U029E code that the other modules are setting is active, and the problem is there now. The most common failure is a circuit fault which causes the loss of power or ground to the nox sensor b.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 …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 1By 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...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 ...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.Using portable 5 gas for SCR DiagnosticsACDelco NOx (Nitrogen Oxide) Sensor - 12718742. Part #: 12718742. Line: ACD. Check Vehicle Fit. NOx (Nitrogen Oxide) Sensor Upstream. 2 Year LIMITED WARRANTY. Shop for the best NOx (Nitrogen Oxide) Sensor for your 2018 GMC Sierra 2500 HD, and you can place your order online and pick up for free at your local O'Reilly.2017 Silverado, L5P w/81K miles. Starting to get code P20EE which suggests a "low catalyst efficiency". I can clear the code with my Edge and drive for a certain number of miles without the code reappearing- but, it eventually returns. I've seen some owners claim the #2 NOx sensor or the DEF injector may be the culprit.duramax l5P position 1 NOX Sensor replacement Is NOX a different word for Crankshaft Position Sensor ? Save Share. Like. M. MIkey52 . 2476 posts · Joined 2018 Add to quote; Only show this user #4 · Nov 16, 2022. No. The nox sensor is in exhaust system. Crankshaft position is in the motor. Save Share. Like. Melonhead1102. 5363 posts · …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 ...Add: Exhaust Particulate Sensor Replacement 0.2 - 0.4 ZFAT N/A 9104598* Engine Control Module Reprogramming with SPS (NOX & Catalyst Resets and Regen Enable) ** Add: Exhaust Particulate Sensor Replacement 0.5 - 0.4 * To avoid warranty transaction rejections, carefully read and follow the instructions below:Exhaust gas recirculation (EGR) systems are vital to internal combustion engines. The EGR system is responsible for reducing the nitrogen oxide emissions caused by the gas. The EGR...Add: Exhaust Particulate Sensor Replacement 0.2 - 0.4 ZFAT N/A 9104598* Engine Control Module Reprogramming with SPS (NOX & Catalyst Resets and Regen Enable) ** Add: Exhaust Particulate Sensor Replacement 0.5 - 0.4 * To avoid warranty transaction rejections, carefully read and follow the instructions below:The battle is heating up between Tesla and its Chinese challenger XPeng as the latter makes clearer its stance on the future of autonomous driving. Over the weekend, XPeng, which c...2017 L5P Duramax Code P026D. For those folks who may have the check engine light come on and the following code comes up: P026D, I want to let you know that, for me, it was the MAP sensor being dirty. It has happened twice in the last few months, and I have been able to clear the code by cleaning the sensor.Aug 16, 2023 · Replacing the rear nox sensor on a 2017 chevy silverado 2500 6.6 l5p duramax turbo diesel. 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.Ask the Diesel Experts. Email Us Get answers from the pros. 920-361-7700 Mon-Fri: 8am - 5pm (CST) Sat-Sun: Closed. Fits: 2018-2019 GM/Duramax.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 …

coyote99. 48 posts · Joined 2022. #3 · Oct 16, 2022. see my post here, dont think EGT sensors will help. P20EE P249D Service emissions system solved | Chevy and GMC Duramax Diesel Forum (duramaxforum.com) 2018 CCSB Denali 3500, iDash w/ Pedal Monster, Fleece Fuel filter adapter. 2015 ECB SLT 3500 - traded, 2011 CCSB SLT 3500 - traded.. K24z3 build

l5p nox sensor

The NOX sensor measures both O2 and NOX. I started to monitor the NOX-1 sensor on my Banks iDash and saw that that is was taking a long time to turn on and then the readings were highly variable. The dealership tested it and found it was taking up to 20 minutes to turn on. They said it has an internal heater that was "open" and not turning on. NOx Sensor, Position 2, Downstream Fits 2020-2022 Silverado/Sierra 2500HD/3500HD L5P Part# DMAX-8006 Replaces GM Part#12708006 *Contact us for current lead times* OEM Replacement Downstream(Position 2) NOx sensor. This NOx sensor is located downstream in the exhaust system. GM Replacement Part#12708006 Note: Reset proc 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 …Well a have a new truck again, NO MORE VIBRATION like night and day.. It does'nt make sense that the nox sensor would create such havoc, but it did.. So those of you Duaramax owners that have the vibration like your drive shaft or tires are out balance change the Nox sensor by the turbo.. Problem solved.. Good luck.. 2017 3500 hd L5P. 77cruiser.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..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.Your garage door sensors are an integral mechanism of your automatic garage door system, and the most common type of garage door sensor is called a Expert Advice On Improving Your ...Typically an electronic air shut off gets its RPM signal from the crankcase sensor; however for 3.0 they had to disable that part of programming because getting to the sensor requires major dismantling of the components around the engine. This is an older thread, you may not receive a response, and could be reviving an old thread.Not a single issue until 4/04/2021. 7812 miles, had been driven 150 that day, 20 miles from home, check engine light, derate & shut-down in seconds. Lotsa white smoke. Dealer replaced fuel pump, still no start, no fuel pressure, lift pump working perfectly. Maybe $77,000 isn't enough to get one to 10,000 miles.- - L5P - Silverado 2500/3500 HD 2020 2021 GMC Sierra 2500/3500 2017 2019 Sierra 2500/3500 HD 2020 2021 Involved Region or Country North America and Israel ... reduction by looking at the NOx 1 and NOx 2 sensor readings. The ECM also looks at other sensors to predict what the NOx reduction should be. Certain things can influenceGM ought to include the DEF sensor on the L5P 6.6L Duramax on the 2017-2019 truck too. ... 3rd indirect injector (inside the DPF), replaced about 5 NOX sensors, 2nd EGR valve… List goes on ...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. 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..

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