2018 chevy silverado knock sensor location

CHEVROLET CRUZE KNOCK SENSOR REPLACEMENT LOCATION. CHEVY SONIC KNOCK SENSOR 1.8In this video we will show you how to remove or replace the knock sensor on Ch...

Summary. The P0326 code stands for “Knock Sensor 1 Circuit Range/Performance Bank 1,” which means the powertrain control module (PCM) detected that the knock sensor’s signal has fallen outside of the specified range. Some of the common causes of the P0326 code include a defective knock sensor, wiring issues, and a faulty PCM.Check Vehicle Fit. Knock (Detonation) Sensor Requires Intake Manifold Gasket. 3 Year Limited Warranty. Terminal Type: Pin. Connector Shape: Round. Number Of Terminals: 1. Shop for the best Knock Sensor for your 2002 Chevrolet Silverado 1500, and you can place your order online and pick up for free at your local O'Reilly Auto Part.Yep, near the starter, if your 5.7 (L05) is like mine (I just pulled the one from my C-1500 1993 Burb). It's above the pan line near the dipstick aperture. Look on the opposite side of the engine and you'll see a drain plug with a square head. I mention this to remind you, the knock sensor works by listening in engine's coolant.Bad Knock Sensor. If one or more engine cylinders "knock," the Knock Sensor circuit sends a message to the PCM, and it backs off the spark timing. A bad knock sensor is the most likely cause of P0324 in the Chevy Silverado. A mechanic can use an oscilloscope to determine if the knock sensor is faulty, which can save you a lot of aggravation.Chevy Mechanic: Tim Basham. Tim Basham. Category: Chevy. Satisfied Customers: 743. Experience: 30 years multi line tech ASE cert master tech ASE engine machinist, 9 years GM dealer exp. Verified. they are located n the valley under the intake. Ask Your Own Chevy Question. Tim Basham.P0330 is a powertrain OBDII trouble code that has the same meaning for the Chevy Silverado as it would any other vehicle. By definition, it means that the vehicles ECM/PCM isn’t getting the proper signal from the knock sensor. Clearing this code typically requires a new knock sensor. The second most common cause is a short or break in the ...

Here is a video on how to replace your knock sensor for the 5.3L V8 engines . 2005 Sierra Z71 5.3 V8 Speed Engineering Shorty Headers Dynomax Single in Dual out Muffler Faulkin Wild peak A/T tires Hypertech Tuner ... Chevy Silverado and GMC Sierra Forum. 1.4M posts 185.6K membersDoesn't necessarily mean the sensor is bad, it may also just be doing it's job. Potential causes for this code to set are: Defective knock sensor/s Internal engine malfunction Ignition misfire/s Contaminated or substandard fuel Defective knock sensor control wiring and/or connectors Bad PCM or a PCM programing errorThe P0333 code means that the input voltage from a knock sensor circuit in one of the cylinders on bank 2 is higher than the manufacturer’s limitation. In most instances, a 10% variation is needed for this code to set. However, your vehicle will likely require multiple instances to set the code. Knock sensors alert the car’s computer to ...Oil pressure sensor (located at the top rear of the engine to the rear of the intake manifold) Engine oil level/temp sensor (located on pass side of oil pan) Knock sensor 1 (KS) (located on the driver side of the engine) Knock sensor 2 (KS) (located on the pass side of the engine) Crankshaft position sensor (CKP) (located above starter at rear ...Mar 30, 2021 ... 2018 Silverado position #1 NOX Sensor replacement, code P11DB and code P249D Thank you for watching! If you would like to see exclusive, ...

7 posts · Joined 2018. #1 · Aug 29, 2019. Hello, does anyone know where the knock sensor (s) is/are located in a 2009 3.6L and what to torque them down to? Like. Sort by Oldest first. DrivenDaily. 22286 posts · Joined 2009. #2 · Aug 29, 2019. They can be found in the image on the following page that I found using Google, spending only 2-3 ...Aug 2, 2016 · If your knock sensor on Bank #2 is generating a low output voltage (perhaps under 0.5V), then it will trigger a P0332 DTC. This P0332 code may show up intermittently or the Service Engine light may be lit constantly. Other knock sensor related DTC codes include P0325, P0326, P0327, P0328, P0329, P0330, P0331, P0333, and P0334.Knock Sensor Replacement KitNew Knock Sensors With Harnesshttps://amzn.to/2TrBVCXHose clamp toolhttps://amzn.to/2S5fVkAIntake Manifold Gasketshttps://amzn.to...If you drive a relatively new car, there are usually a few sensors and cameras in place to help keep you safe. Here are the six major sensors on your car you should look for and ke...2004 Chevrolet Silverado 5.3 Liter and I am doing a knock sensor replacement on this. You have to remove the intake manifold to do this job as they live und...

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The 2019 Chevy Silverado 1500 LTZ is the perfect truck for those who want to cruise in style. With its sleek design, powerful engine, and luxurious interior, this truck is sure to ...2008 - 2018 Chevrolet Silverado 2500 HD. 2007 - 2013 Chevrolet Silverado 1500. 2007 - 2010 Chevrolet Silverado 1500. ... How to Replace Engine Knock Sensor Harness 2001-07 Chevy Suburban. Check out this video from 1A Auto to learn how to replace the knock sensor harness on your 00-06 Chevy Suburban. Save some money by doing it yourself!Equip cars, trucks & SUVs with 2018 Chevrolet Silverado 1500 Knock Sensor from AutoZone. Get Yours Today! We have the best products at the right price.Engine Knock Sensor Wire Harness Kit - Replaces 12601822, 917-033 - Compatible with Chevy, GMC, Cadillac - Suburban, Silverado, Tahoe Sierra, Yukon, Avalanche, 4.8, 5.3, 6.0 dummy Dorman 42003 Knock Sensor Grommet Compatible with Select Models , Brown

Delivering to Lebanon 66952 Update location All. Select the department you want ... OCPTY Detonation Knock Sensor Fit for Chevy Silverado 1500 HD Classic,2500 HD,3500,3500 Classic,3500 HD,Suburban 1500 2500,Tahoe, for GMC Canyon Envoy Savana 1500,2500,3500,Sierra 1500,213-1576 ... ECCPP Knock Sensor Connector Fit for Chevy Silverado 5.3 ...Knock Sensor Replacement - Chevy Cruze 1.8L - Codes P0324 & P0325 - YouTube. Check Details. 2011 Chevy Cruze 1.4 Knock Sensor Replacement w/out Removing intake. Check Details. Code P0324 Knock Sensor Chevy Cruze 1.4 - FreeAutoMechanic Advice. Check Details. Pro Tip: Chevrolet Cruze Knock Sensor Codes - ScannerDanner Forum. Check DetailsAlternate Year Models. 2014 Chevrolet Silverado 1500 Knock Sensor. 2016 Chevrolet Silverado 1500 Knock Sensor. Equip cars, trucks & SUVs with 2015 Chevrolet Silverado 1500 Knock Sensor from AutoZone. Get Yours Today! We have the best products at the right price.Chevy express 1500 knock sensor location Sensor knock location bank 2007 suburban gmc tahoe located 2500 chevy 2010 savana chevrolet forum reply gif 4cd0 Chevy silverado diagram engine sensor knock located 1500 chevrolet 2001 wiring where 2002 3l v6 ask question own 2010. SilveradoSierra.com • Knock and detonation sensors : Vortec 5300 5.3L V8If 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 ...CHEVROLET CRUZE KNOCK SENSOR REPLACEMENT LOCATION. CHEVY SONIC KNOCK SENSOR 1.8In this video we will show you how to remove or replace the knock sensor on Ch...We pulled code p0327♥ Rate Comment Subscribe - - - - - - - - - - - - - - - - Social Media: YouTube: http://bit.ly/2a0JxKm Google +: http://bit.ly/29SHt...2015-2018 Chevrolet Silverado 1500 2019 Chevrolet Silverado LD * 2014 GMC Sierra 1500 ... Mark each tire valve stems location on the tire. This will be utilized to check for tire slippage on the rim. ... Using a Pico Oscilloscope Diagnostic Kit, mount the PicoScope vibration sensor on one of the two locations shown above. Note: Only the use of ...Symptoms of a faulty knock sensor include: How to replace a knock sensor on Chevy Silverado. Step 1 – Access the intake manifold. Step 2 – Remove the fuel lines. Step 3 – Remove the injectors and engine wire harness. Step 4 – Replace the knock sensors. Step 5: Reinstall the removed components. FAQs.

The 2009 Chevy Silverado has two knock sensors on the drivers side of the engine. One slightly above and to the left of the oil filter and the other is under the third cylinder from the front. The knock sensor is basically a microphone that listens for knocks in the engine. Knocks can occur when the timing is off, bad air fuel mixture, d***y cylinders, bad spark plugs or lack of oil.

It is a piezoelectric sensor. The location of the knock sensor will vary between manufacturers but most are in the sides of the block (between water jacket freeze plugs) or in the valley beneath the intake manifold. Knock sensors that are in the sides of the engine block are often threaded directly into engine coolant passages.Thanks for Watching..Share Likes Comment And Subscribes...Please Follow us on our Facebook Page...KenKej AutoElecTrixTo diagnose the P0331 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Knock sensor replacement on 2004 6.0 (285k miles) My truck started throwing a P0332 code again. About 35k miles ago, I replaced the knock sensors, but very soon after (like a week and 1k miles), I started getting he P0332 code, so I removed the rear sensor and there was water in the well, I cleaned that out and reseated the sensor.The average cost for a Chevrolet Silverado 2500 HD Knock Sensor Replacement is between $112 and $144. Labor costs are estimated between $71 and $89 while parts are priced between $41 and $55. This range does not include taxes and fees, and does not factor in your unique location.The knock sensor on a Chevy 2.4-liter engine is located near the rear of the engine, under the exhaust manifold. It is mounted in the engine block, near the top of the cylinder, so that it can sense any excess vibration in the engine. When the knock sensor senses vibration, it sends a voltage signal to the computer.A bad knock sensor will usually cause noticeable drivability issues. However, it shouldn’t leave you stranded, just down on power. 1. Check Engine Light. A bad knock sensor can trigger your Trax’s check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other.Advance Auto Parts has 21 different Knock Sensor for your vehicle, ready for shipping or in-store pick up. The best part is, our Chevrolet Silverado 1500 Knock Sensor products start from as little as $18.29. When it comes to your Chevrolet Silverado 1500, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work ...In a previous video https://youtu.be/px1coh-Qhlc I had a look at this customer Silverado that came in with the engine light on and a few codes. Didn't take l...Check Vehicle Fit. Knock (Detonation) Sensor Requires Intake Manifold Gasket. 3 Year Limited Warranty. Terminal Type: Pin. Connector Shape: Round. Number Of Terminals: 1. Shop for the best Knock Sensor for your 2002 Chevrolet Silverado 1500, and you can place your order online and pick up for free at your local O'Reilly Auto Part.

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5 posts · Joined 2018. #1 · Sep 11, 2018. Just thought I should share what the condition of my knock sensors were on my 2003 Silverado 1500. Pretty sure they were original so I changed them, the wiring harness for them, and the intake manifold gasket. Note that the rear sensor was caked in an inch thick layer of mud and was completely corroded.If you’ve ever wondered about the inner workings of your vehicle, one component that plays a crucial role in its performance is the speed sensor. In most vehicles, the speed sensor...1. Oil Pressure Sensor 2. Throttle Actuator Motor/Throttle Position Sensor (qty. 2) 3. Crankshaft Sensor 4. Knock Sensor 5. Oil Level Switch Fig. 2, Engine, Right-Hand View 54-45 GM 6.0L Gasoline Engine Component and Sensor Locations Freightliner Custom Chassis Service Bulletin Recreational Vehicle School Bus Shuttle Bus > Walk-In Van S21. Oil Pressure Sensor 2. Throttle Actuator Motor/Throttle Position Sensor (qty. 2) 3. Crankshaft Sensor 4. Knock Sensor 5. Oil Level Switch Fig. 2, Engine, Right-Hand View 54-45 GM 6.0L Gasoline Engine Component and Sensor Locations Freightliner Custom Chassis Service Bulletin Recreational Vehicle School Bus Shuttle Bus > Walk-In Van S22011 Chevrolet Silverado 1500 Knock Sensor. Buy Online. Pick Up In-Store. Brand. ACDelco (2) Duralast (2) NTK (2) ... 2011 Chevrolet Silverado 1500 Mass Air Flow Sensor; 2011 Chevrolet Silverado 1500 Tire Pressure Monitoring Sensor; ... Where is a VIN Number Located on a Car?Knock / Detonation Sensor Connector. Intentionally blank: Intentionally blank: Related Parts. CHEVROLET > 2004 > SILVERADO 1500 > 5.3L V8 > Exhaust & Emission > Knock / Detonation Sensor. Price: Alternate: No parts for vehicles in selected markets. Economy . AUTOTECNICA GM1317752 Info (Only 3 Remaining)If your knock sensor on Bank #2 is generating a low output voltage (perhaps under 0.5V), then it will trigger a P0332 DTC. This P0332 code may show up intermittently or the Service Engine light may be lit constantly. Other knock sensor related DTC codes include P0325, P0326, P0327, P0328, P0329, P0330, P0331, P0333, and P0334.Knock sensor holden malibu 2.4ltr le9 em 2013-20172013 chevy silverado oxygen sensor location Where are the knock sensors 98 nissan2012 chevy malibu knock sensor location. ... 2002 chevy silverado knock sensor locationSensor malibu chevy o2 change Replacing m.a.p. sensor on 2010 malibu (2.4 ecotec)Knock sensor fits chevy malibu 2009-2014, 2018 ... ….

1. Check Engine Light. A bad knock sensor can trigger your Equinox's check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other. The code you get will either be for an intermittent problem, high input, low input, or open circuit. Regardless of what the code's definition is, most of the ...Santech Ignition Knock (Detonation) Sensor KS0274. Part # KS0274. SKU # 1000997. Check if this fits your 2019 Chevrolet Silverado 1500. Notes: Ignition Knock (Detonation) Sensor. PRICE: 89.99. Connector Gender: Female. Terminal Gender: Male. Terminal Quantity: 2.Doesn't necessarily mean the sensor is bad, it may also just be doing it's job. Potential causes for this code to set are: Defective knock sensor/s Internal engine malfunction Ignition misfire/s Contaminated or substandard fuel Defective knock sensor control wiring and/or connectors Bad PCM or a PCM programing errorDaveSilverado Discussion starter. 1 post · Joined 2010. #1 · Aug 3, 2010. According to codes my knock sensor is due to be replaced. Since this is my first Chevy I have no idea where it is located. I'm sure it's probably an easy fix; detailed description on "how to" or pictures (location) would be even better. Many Thanks!2018 Silverado position #1 NOX Sensor replacement, code P11DB and code P249DThank you for watching! If you would like to see exclusive, add free content alon...It should be a defective sensor. These sensors are piezo sensors and create a voltage when sensing a knock. A bank refers to a side on a V style engine, 2 refers to the rear sensor on your bank 2. Bank 1 should be the side with cylinder #1 which should be the cylinder closest to you on one of the sides. So your looking for the rear sensor on ...Bank 2 sensor 2 in a chevy silverado is located on the passenger side behind the catalytic converter. So is bank 2 sensor 2 the passenger side or driver side the post is saying it'st the drive side. I am getting code P0056where would that be at. The o 2 sensors are located in the exhaust pipes. The B1 refers to b1 right, B2 is left (from driver ...On this episode of Fear No Fix, Jim and Chris replace the Knock Sensors in a 5.3L Chevrolet Silverado (model years 1999-2006*).Need help diagnosing issues wi...Ls engine 4.8 5.3 6.0 knock sensor relocation simple and easyIn fact, if you have a 4.8 L 5.3 L or 6.0 L in any General Motors vehicle, including a Hummer or Pontiac, you will probably run into a check engine light indicating a defective knock sensor at some point.The check engine light registering a code P0332 or a P0327 is often the first sign you have this common problem. 2018 chevy silverado knock sensor location, Use the following illustrations when replacing or troubleshooting gasoline engine sensors. See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, and Fig. 7. 05/03/2013 f546027 2 1 3 1. Engine Coolant Temperature Sensor 2. Camshaft Sensor 3. Knock Sensor Fig. 1, Engine, Left-Hand View GM 6.0L Gasoline Engine Component and Sensor Locations 54-45, Knock Sensor – 1999-2006 Chevy Silverado Required Tools • 8mm, 10mm, & 22mm sockets • Socket wrench • Flat head screwdriver • 3/8 inch extensions • Vice grips • Hose clamp pliers • Torque wrench • Rags • Fuel line release tool General Repair Steps 1. Open the main Fuse Box (located under the hood on the driver’s side). 2., 2002 chevy tahoe knock sensor bank 2 location. 2004 chevy tahoe knock sensor replacement .. Check Details Check Details. How to replacement 2018 Chevrolet Tahoe Knock Sensor (TAGALOG) - YouTube. Check Details. Where is the knock sensor located on a 2002 silverado 2500 hd 6.0? Check Details. 5 3 Vortec Cooling System 2000 Chevy Silverado Heater ..., Knock sensor replacement/location. Tags ... 8 posts · Joined 2018 Add to quote; Only show this user #1 ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Show Less . …, According to the GM service bulletin, in some 2011-2013 Chevy, Buick and Cadillac vehicles the code P0442 might be caused by the leaking EVAP Vent Solenoid (CVS). The vent solenoid must be tested under vacuum and replaced if leaking. Another GM service bulletin 02-06-04-037J for Chevy Silverado / GMC Sierra recommends replacing the …, Knock (Detonation) Sensor. 3 Year Limited Warranty. Terminal Type: Blade. Connector Shape: Rectangle. Terminal Gender: Male. Show More. Shop for the best Knock Sensor for your 2005 Chevrolet Silverado 1500, and you can place your order online and pick up for free at your local O'Reilly Auto Part., Step 1 - Remove the MAF sensor. Start by opening the hood. Look for the little black box attached to the air intake hose. You'll see it just down from the large air intake box on the far left. It'll have a large electrical connector plugged into it. Push in on the tabs of the connector and unplug it from the MAF sensor., Chevrolet Silverado 2018. Contents. TUNE-UP AND ROUTINE MAINTENANCE. V6 ENGINE. VB ENGINES. ... 2008 ELECTRICAL COMPONENT LOCATION - Cab & Chassis Sierra, Cab & Chassis Silverado, ... 05 fx 35 awd help please wires for crank sensor I lost my sensor an Clip when I hit a rock in the snow I cannot figure out what wire goes where ., We pulled code p0327♥ Rate Comment Subscribe - - - - - - - - - - - - - - - - Social Media: YouTube: http://bit.ly/2a0JxKm Google +: http://bit.ly/29SHt..., First you would have to insure you have the correct mounting surfaces on the block, so you can accurately detect the frequency of engine knock. Then you would need be able to create a new strategy for the pcm to detect knock using the new sensors and the new location. One slip up on this process and you could create a window in the side of your ..., Knock sensor on 2001 chevy silverado. on the 4.3l version the knock sensor is on the back left side of the engine right by the bell housing. on the bigger engines they are below the intake manifold in the engine valley., Equip cars, trucks & SUVs with 2018 Chevrolet Sonic Knock Sensor from AutoZone. Get Yours Today! We have the best products at the right price., I've fixed the knock sensor and intake manifold gasket myself about 3 weeks ago, and its working perfectly. however, i switched back to 87 octane fuel, and the truck is pinging again, in the 4-5k RPM range. Its much less often, and much less intense as it was than noted above, however, I believe that running mid/premium grade fuel in my truck ..., Top side creeper in video → https://amzn.to/2Wux4lwGet that DeWalt cordless impact gun on Amazon here → https://amzn.to/3Ko2wvZGet just the gun no batteries ..., First you would have to insure you have the correct mounting surfaces on the block, so you can accurately detect the frequency of engine knock. Then you would need be able to create a new strategy for the pcm to detect knock using the new sensors and the new location. One slip up on this process and you could create a window in the side of your ..., 2018 Chevrolet Colorado Tire Pressure Monitoring Sensor; 2018 Chevrolet Colorado Coolant Temperature Sensor; ... Chevrolet Silverado 1500 Knock Sensor; Chevrolet Cruze Knock Sensor; Chevrolet Malibu Knock Sensor; ... Where is a VIN Number Located on a Car?, Mar 28, 2024 · To diagnose the P0325 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., The only code I get is the po303. I basically drive with a code read reader and clear the code while driving. I've noticed the code comes on more often when the roads are wet. I'm narrowing this problem down to a bad ground. After looking into bad grounds I stumbled across a video about the grounds on these knock sensors., Where is the knock sensor located on a 2003 chevy silverado hd with the 6.0 engine. Answered in 3 minutes by: Chevy Mechanic: quickcar. hello, there are two knock sensors and they are screwed into the block below the intake manifold. here is a picture. Ask Your Own Chevy Question., FLXT: Get the latest Flexpoint Sensor Systems stock price and detailed information including FLXT news, historical charts and realtime prices. Indices Commodities Currencies Stocks, Knock sensor 1 (KS) (located on the driver side of the engine near back bottom) Knock sensor 2 (KS) (located on the pass side of the engine above starter) Crankshaft position sensor (CKP) (located under the vehicle near the crankshaft pulley) Engine coolant temperature sensor (ECT) (located at front of driver’s side cylinder head) Ignition ..., Nitrojunkie383 Discussion starter. 45 posts · Joined 2011. #1 · Apr 18, 2017. I have had a P0327 code (Knock Sensor 1 Circuit Low Input Bank 1 Sensor 1) for some time now and I finally got around to putting new sensors in to fix it. Its on a 2004 Suburban with the 5.3. I installed two new sensor and a new harness, sealed everything back up., Knock Sensor Replacement KitNew Knock Sensors With Harnesshttps://amzn.to/2TrBVCXHose clamp toolhttps://amzn.to/2S5fVkAIntake Manifold Gasketshttps://amzn.to..., To diagnose the P0332 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Silveradosierra.com • knock and detonation sensors : vortec 5300 5.3l v8 Sensor knock silverado located chevy 1500 chevrolet where engine v6 3l 2002 2010 side How to install replace engine knock sensor 2000-06 5.3l silverado. Knock silverado. Knock sensor chevy silverado ae6a 487d99-08 chevrolet silverado knock sensor replacement all v8 's ..., A knock sensor that is loose or over torqued may cause the DTC P0327 to set. If DTCs P0327 and P0332 are set at the same time, inspect for poor connections at the KS harness jumper (located at the left side of the intake manifold). My experience. 2001 chevy silverado 4x4 5.3l knock sensor codes p0327/p0332., May 6, 2024 ... In this video I will replace the steering angle sensor on a 2008 Chevy Silverado. This process will work for most GM truck and SUV's years ..., Summary. The P0326 code stands for “Knock Sensor 1 Circuit Range/Performance Bank 1,” which means the powertrain control module (PCM) detected that the knock sensor’s signal has fallen outside of the specified range. Some of the common causes of the P0326 code include a defective knock sensor, wiring issues, and a faulty PCM., 2002 Chevy Tahoe Knock Sensor Location 12 Aug 2023. Sensor knock location bank 2007 suburban gmc tahoe located 2500 chevy 2010 savana chevrolet forum reply gif 4cd0 Knock replacement p0332 vortec gm sensors v8 p0327 Knock sensor 5.3 4.8 6.0 replacement, As mentioned above, the ECM controls the engine timing, and air/fuel ratio. So, when it goes bad, it can knock your Silverado’s air fuel ratio off. This could lead to poor fuel economy, the previously mentioned rough running engine, backfiring, a flashing check engine light, and an engine that has no giddy-up and go. 4., These are the steps I took to replace the knock sensors on my truck, keep in mind this repair is relatively easy. You should consider buying the small harnes..., 2013 NOx sensor troubles. Ive got a 2013 Silverado 3500HD at my work Ive been chasing problems on. It started with a P11CB code, P11CB GMC - Nox Sensor 1 Performance Signal High, so I replaced the front Nox sensor cleared check engine light. Code came back along with a the code for the DEF heater., A bad knock sensor will usually cause noticeable drivability issues. However, it shouldn't leave you stranded, just down on power. 1. Check Engine Light. A bad knock sensor can trigger your Silverado's check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other.