Silverado Knock Sensor Problems

This is commonly located underneath the intake manifold which is in the middle of the vehicle's engine. I have a loud knocking noise coming from the engine. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. This problem tends to occur more in vehicles where the engine compartment has been washed frequently. The worst symptoms from a bad knock sensor will occur when the engine starts to get damaged by If you’ve let this problem escalate without replacing the bad knock sensor, then your vehicle will begin to increasingly drag and jerk around. Since knock sensor is practically a microphone, testing proper operation of is rather hard. OBD II Generic Check Engine Light Codes. The knock sensor module is located inside the pcm, under the cover with two screws. You may have a sensor problem or a circuit problem. I would suspect you could do the same thing it would just be a matter of figuring out what the resistance is of a working knock sensor. (One of the knock sensors was the wrong one), I matched up the numbers for the aftermarket GM sensor and it did not match up to the number one sensor that was throwing the code. The P0332 code means that the Knock Sensor is not working properly. Answer D is wrong. That'll cost you like 20 bucks, and it sounds like that would be the problem. Compare 2004 Chevrolet Silverado 1500 Knock Sensor brands. It can also cause poor fuel economy. You can also file your complaint online. A (MAP) Manifold Absolute Pressure Sensor senses air pressure in the intake manifold. In this video I will show you how to quickly test a knock sensor circuit. 2005 silverado idle issues after knock sensor replacement extorter. The most recently reported issues are listed below. Your knock sensor will retard the timing anytime it hears a knock. need help with understanding knock sensor settings Recently, while having tuning done on a dyno, the heads lifted and water was pushed. Specific to: Chevrolet Silverado 1500 2008. Check for wiring and connections problems from the O2 sensor back to the ecm. I've had many o2 problems. 1L V8 engine. Knock sensor 2 is the gray connector. Read on for effective ways to track down noises, both outside and inside the cabin, and what can be done to correct them. my dealership fixed what was causing the problem with no problems. The knock sensor code can have various causes on your 2004 Chevrolet Silverado. I have a 2002 GMC 1500HD with the 6. Yesterday I purchased a used 2002 Chevy Silverado 1500, 5. Verify engine is not overheating, and correct any cooling system related problems first. Both technicians are correct. That's not a problem. NEW Replacement Engine Knock Sensor for Honda Acura 30530-PNA-003 30530-PPL-A01 AUD 12. Free Same Day Store Pickup. Labor costs are estimated between $61 and $78 while parts are priced between $37 and $57. 0) and 4L80E trans. THE KNOCK SENSOR WIRE HARNESS connects to the knock sensors on your engine and receives signals from both sensors. 7 TBI, with auto trans. Also, your car’s computer system should notify you when there is a problem with the knock sensor. I've recently noticed a drop in fuel economy (under normal driving conditions, I get about 15. Buy a 2004 Chevrolet Silverado 1500 Knock Sensor at discount prices. need help with understanding knock sensor settings Recently, while having tuning done on a dyno, the heads lifted and water was pushed. When you catch the problem with the knock sensor right away and replace this component, you prevent it from giving you bad information and ensure that you know when there is a knocking problem inside the engine. The (MAF) Mass Air Flow Sensor senses air flow volume in the air tube indicating engine load. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram, transmission diagram, and engine problems. Re: Knock Sensor on 2002 Silverado Thank you hrsclam! It started this problem at about 135,000 and I tolerated it until now (150,000) but I should be able to do all of this pretty easily. I have a loud knocking noise coming from the engine. 1997 Chevrolet K1500 4x4 Silverado V8 5. i have an 03 2500HD 6. It will compare this information with its preset tables to identify a valid knock. The purpose of the knock sensor is to sense unusual pulsations caused by the engine detonation. Can Piston Slap damage my engine?. Check for wiring and connections problems from the O2 sensor back to the ecm. Over the long term, however, you will prevent serious engine problems. This information may be used by NHTSA during the investigation process. DIAGNOSING PROBLEMS RELATED TO THE COOLANT TEMPERATURE SENSOR by Mark Davidson. Use a knock sensor tester or 'scope to determine if the sensor is generating a signal. Please also check out the statistics and reliability analysis of the 2014 Chevrolet Silverado 1500 based on all problems reported for the 2014 Silverado 1500. 158 problems related to steering have been reported for the 2014 Chevrolet Silverado 1500. There are several other symptoms indicative of a knock sensor problem. A faulty knock sensor can result in poor engine performance and an illuminated check engine light. 1L/496 Knock Sensors and get Free Shipping on Orders Over $99 at Summit Racing! Knock Sensor, OEM Replacement, Each. Labor costs are estimated between $79 and $100 while parts are priced between $73 and $108. Remove the rear bank knock sensor. I am trying to determine what caused this to happen so I can avoid it from occurring again. Nothing you can change or adjust there anymore. This article covers a wide variety of noises common to the hard working Chevrolet Silverado. Details of Knock Sensor circuit fault (DTC) P0327, This system is specially empowered to enable the transaxle control module(TCM)/engine control module(ECM) to thwart ignition control spark timing on the basis of the signals received from the KSDiagnostic Trouble Code (DTC) P0327 Knock Sensor Circuit Fault - United Kingdom | BBA Reman. 1-liter, eight-cylinder versions of the Silverado and Sierra, GM will replace the crankshaft position sensor, which can fail and stall the engine. The knock sensor module is located inside the pcm, under the cover with two screws. It will compare this information with its preset tables to identify a valid knock. How should I approach this to get to 0 knock?. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. With a faulty sensor, there is a chance that higher emissions are being produced from the engine because the engine may run hot. So if you need a PCM, you should find one orignaly from an iron headed motor, so you have the correct knock sensor module. 7L engine in most 1990 Chevrolet Silverado vehicles uses a knock sensor on the engine block. 1L V8 engine. If you can hear a slight change on the engine's sound, then. Looking for a 2006 Chevrolet Silverado 1500 Knock Sensor? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Gen IV can be distinctly recognized by the placement of the knock sensors on the sides of the block, which is an entirely different design. 3 v8 gas has a very rough idle, and stalls at low manuver speeds like turning at low speed or backing up. Install the new rear bank knock sensor. Start by inspecting the wiring and connectors, repair as required. RE: What are signs or symptoms of a knock sensor gone bad? I have a 2000 chevy silverado. I Was told the knock sensor is located under the intake manifold. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck needs today. Today I'll be showing you how to test the primary or upstream O2 sensor in a 2004 Chevy Silverado with a 5. Check engine light with a P0521 EOP sensor performance and P0522 EOP sensor circuit low. I just had my 2001 Silverado 1500 in the shop for the intake manifold gaskets to be repaired when I got it home a few days later the engine light came on so I had it put on the scanner and it came back knock sensor my question is should I hold the repair shop liable for fixing the issue? ive done some research and found out that these two things seem to go hand in hand with one another. Many owners of the Chevy Silverado can testify to this particular 5. 0 knock sensor replacement GM: Knock sensor bypass for 5. The symptoms of a bad knock sensor typically occur during heavy loads or at high speeds. View all 138 consumer vehicle reviews for the Used 2008 Chevrolet Silverado 1500 on Edmunds, or submit your own review of the 2008 Silverado 1500. P0332 DTC Code - Knock Sensor 1 Circuit Low Input (Bank 2) A knock sensor tells the engine computer when one or more of your engine's cylinders are "knocking", that is, exploding the air/fuel mixture in a way that delivers less power and can be damaging to the engine if prolonged. The (MAF) Mass Air Flow Sensor senses air flow volume in the air tube indicating engine load. fill it half full and place lid on and shake. A problem with the air flow sensor could also alter the shifting pattern of the automatic transmission. Detonation Knock Sensor, Replace 213-3521, 12589867, 2133521, 10456603, S8696 for 4. Please text and I will get back with you as soon as possible. Chevrolet Silverado 1999-2006: How to Replace Knock Sensors. If the KS system determines that excessive knock (detonation) is present, the Powertrain Control System retards the spark timing based on the signals from the KS system. Chevy Silverado Knock Sensors FIX IT RIGHT The First Time: Knock Sensor replacement on my 01 Silverado: Chevy and GMC Code P0332 P0327 - Knock Sensor: 4. Autopartswarehouse. KNOCK SENSORS: Installed in engine block. P0332 Chevrolet Description The Knock Sensor (KS) system monitors both knock sensors in order to determine if detonation is present. 3 liter Vortec engine in it. I purchase a 2018 2500hd Silverado Duramax. If you are picking up cross talk on the leads from the alternator or something that would cause all kinds of problems. And that bad boy is a lot more expensive. Knock Sensor. Of course, this means that the GMC Sierra and Yukon of the same years have the same issues. Do the O2 sensor first. I Was told the knock sensor is located under the intake manifold. I have a loud knocking noise coming from the engine. 7 liter vortec and it has a knock sensor code so i have bought the new sensor and i know where it is ( on the bottom part of the engine block next to the starter). 0L 1999, Ignition Knock Detonation Sensor by Maneki®. 5 volts with engine running at idle. 3L VIN T, 92000 miles. What could be better than a high-quality Chevrolet Silverado 1500 Knock Sensor offered with an amazing low price guarantee? Purchase from us and save a lot!. 1997 Chevrolet K1500 4x4 Silverado V8 5. Knock sensor problem on a 2005 silverado - 2005 Chevrolet Silverado. MSJ200283 Other than this you should stop right here as it could be a pcm problem or connection its' the #2 knock sensor. Specific models include (but may not be limited to): Chevrolet Silverado, Tahoe and Suburban, GMC Sierra, Yukon and Yukon XL. Order Chevrolet Silverado 1500 Knock Sensor online today. Now it’s back in the shop with oil leaks from. The knock sensor module is located inside the pcm, under the cover with two screws. Basically that means that there is a problem related to the knock sensor and/or it's electrical wiring circuit on Bank 1 of your engine. P0332 DTC Code - Knock Sensor 1 Circuit Low Input (Bank 2) A knock sensor tells the engine computer when one or more of your engine's cylinders are "knocking", that is, exploding the air/fuel mixture in a way that delivers less power and can be damaging to the engine if prolonged. Looking for a 2006 Chevrolet Silverado 1500 Knock Sensor? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. If you are picking up cross talk on the leads from the alternator or something that would cause all kinds of problems. Knock Sensor Replacement. oooh, ooo, I know! Knock sensors are very fragile devices, basically a small ceramic microphone mounted on your engine. Hello, about two months ago I have a problem with the knock sensor on my 2004 Mazda 3. 3) will start missing when i stomp the gas and also my fuel milage has went all to crap. I have a 2002 chevy silverado with a 4. This is commonly located underneath the intake manifold which is in the middle of the vehicle's engine. the tach read 0 yes zero and below llights are dim and driving my tach reads normal and sometimes reads a maxx of 3000 when i floor it, im going to try the MAF sensor cleaning because i have already changed air filter. A car knock sensor is located on the intake manifold, cylinder, or engine block. Knock sensor 1 2004 Check Engine Light Silverado 1500. Honda Accord: How to Replace Knock Sensor. This crystal is used to produce AC voltage under vibration. That's not a problem. Once a noise is detected, the knock sensor sends a signal to the cars computer which in turn will retard the timing at 2 degree intervals until it corrects the issue. These are two different sensors used by the engine's PCM. If the knock sensor fails, it can seriously damage the engine, as continuous pre-ignition could cause melting or fractures in the pistons just to name a few. 0l vortec engines. Put all-terrain tires on it less than 3000 miles ago. I have a CAI and they did not give me any trouble whatsoever. however, im not familiar with an altima and do not know how low the timing gets set too should the sensor fail. This engine had a slight rod knock or upper engine noise that was causing the knock sensor to record a false signal. At first I thought it was comin from the top but when i get under it it's alot louder sounds like its comin from the oil pan. How to Bypass a Chevy Knock Sensor by Ashton Daigle Your knock sensor is an electrical device on your truck, car or Sport Utility vehicle that detects knocks in your engine caused by premature detonation of the air-fuel mixture as it enters the cylinder head. Hey I've had this truck since 2009, it's a 2000 silverado 2500 (nonHD) extended cab long bed 4X4 with the cast iron head LQ4 (6. El Sensor de Detonacion o Knock Sensor convierte el "ruido" generado por la combustion del motor en una señal electrica alterna AC que varia la frecuencia y magnitud de acuerdo a la variacion de Revoluciones del motor. GM 3100 engine, knock sensor test. I just recently bought it and the engine compartment was very dirty, so I washed it. 2004 Chevy Silverado Accessories & Performance Parts If you own a value-priced Work Truck or an LS with an automatic tranny, at AutoAnything we have the right 2004 Silverado accessories for you. Estimate does not include taxes and fees. Other manufactures are doing the same thing, making the circuit very easy to test. The purpose of the knock sensor is to sense unusual pulsations caused by the engine detonation. Detonation Knock Sensor, Replace 213-3521, 12589867, 2133521, 10456603, S8696 for 4. 5 retard during the let off. The reason. Honda Accord: How to Replace Knock Sensor. 1-liter, eight-cylinder versions of the Silverado and Sierra, GM will replace the crankshaft position sensor, which can fail and stall the engine. For example HO2S11 would be the oxygen sensor on bank 1 and first in line (pre catalytic converter) and HO2S12 would be on bank 1, but second in line (the monitor) An oxygen sensor creates a voltage between 0 and 1 volt by means of a chemical reaction between the sensor element and the oxygen in the exhaust passing across that element. 3l motors are also notorious for the knock sensor to go bad. On ohming the sensors, I found that one was open most of the time. well since this has come up my truck (06 1500 5. 3L See more like this Engine Knock Detonation Sensor for Astro Safari S10 S-15 Pickup Truck Express (Fits: Chevrolet) Lifetime Warranty. If the KS system determines that excessive knock (detonation) is present, the Powertrain Control System retards the spark timing based on the signals from the KS system. however, im not familiar with an altima and do not know how low the timing gets set too should the sensor fail. A problem with the air flow sensor could also alter the shifting pattern of the automatic transmission. 1997 Chevrolet K1500 4x4 Silverado V8 5. Just plur your Chevy Silverado 1500 and Year into the Year Make Model selector above and when you search for a Knock Sensor Auto Parts Warehouse will only show you parts that fit your vehicle. Can Piston Slap damage my engine?. Knock sensor harness: 12601822. It detects any engine noises caused by detonation -- when fuel explodes in an engine's cylinder-- and adjusts ignition timing accordingly. A P0327 code is Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor). Hey I’ve had this truck since 2009, it’s a 2000 silverado 2500 (nonHD) extended cab long bed 4X4 with the cast iron head LQ4 (6. You may file your own complaint by calling the NHTSA Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153. Looks like I'll be hunting down a replacement sensor (or two and just get both knocked out at the same time) and putting it in over the long holiday weekend. Posted by Johnny G on Mar 03, 2014. Chevy Silverado Knock Sensors FIX IT RIGHT The First Time: Knock Sensor replacement on my 01 Silverado: Chevy and GMC Code P0332 P0327 - Knock Sensor: 4. (although you'll be able to tell if it's completely dead. I purchase a 2018 2500hd Silverado Duramax. The transmission problem just happened. When it comes to your Chevrolet Cruze, you want parts and products from only trusted brands. Remove the rear bank knock sensor. 3L See more like this Engine Knock Detonation Sensor for Astro Safari S10 S-15 Pickup Truck Express (Fits: Chevrolet) Lifetime Warranty. It can also cause poor fuel economy. But here's the problem: If the engine develops ANOTHER malfunction, you'll never know, because your engine warning light is already on. It will compare this information with its preset tables to identify a valid knock. 3L and my SES light came on. Knock Sensor Replacement. I am only going to unplug it for testing purposes, so that i can keep on trying to narrow down the problem with the acceleration. The Problems I Having Is Hesitation And Fuel. Buy a 2000 Chevrolet Silverado 1500 Knock Sensor at discount prices. What guys are doing is wiring 180 kw resistors inline with the knock sensors to fool the computer into thinking the knock sensor is good. It has almost all the options of the day… I bought it with 77K it now has 138K and has had this problem since the day I got it… When accelerating it intermittently has no power from a stop. Knock / Detonation Sensor Choose for Me to Minimize Cost Choose for Me to Minimize Cost Related Parts Electrical Repair Manual Emission Repair Manual Intake Manifold Gasket / Set Knock / Detonation Sensor Connector. 3L VIN T, 92000 miles. Hello, about two months ago I have a problem with the knock sensor on my 2004 Mazda 3. Looking for a 2006 Chevrolet Silverado 1500 Knock Sensor? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Any opinions or advice given here amount to "armchair quarterbacking" since we don't have access to the car. This is a discussion on Knock sensor bypass within the General Help forums, part of the LSx Technical Help Section category; Does anyone know a good procedure to temporarily bypass both knock sensors on a 2000 LS1? I searched around and. Buy Knock Sensor with Harness Pair Kit Set for Chevy GMC Silverado Sierra Cadillac: Detonation - Amazon. Apply a bead of RTV silicone sealant approximately 9 mm (3/8 in) wide and 6 mm (1/4 in) high along the outside edge of the ridge on the engine block valley. Chevrolet Silverado 2003 Silverado, LS, ext. Step 3 - Checking. If you notice something seems off with your vehicle, even if no light illuminates, it is best to have your car checked out by a mechanic. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme. Have both knock sensor codes coming up on my 2004 chevy silverado…. Oxygen sensor failure can often be traced to one of three common factors: Age and high mileage, an internal contaminant (poisoning) or an electrical issue. OBD II Generic Check Engine Light Codes. The problem wasn't that the oil was leaking out, it was that it was going past the piston rings to the combustion chambers resulting in a light blue exhaust smoke from all the oil blowing out of the tailpipe. This is a discussion on Knock sensor bypass within the General Help forums, part of the LSx Technical Help Section category; Does anyone know a good procedure to temporarily bypass both knock sensors on a 2000 LS1? I searched around and. did see a knock sensor but. So it really isn't necessary for it to be audible to the service advisor if it shows up in the data. P0332 Knock Sensor 2 Circuit Low (Bank 2) Technical Description. Your knock sensor will retard the timing anytime it hears a knock. 95 ACDelco Knock (Detonation) Sensor 2007-14 Silverado/Sierra V6 ACDelco 213-3944 Part Number: 065-213-3944. THE KNOCK SENSOR WIRE HARNESS connects to the knock sensors on your engine and receives signals from both sensors. I find that hard to believe. What could be better than a high-quality Chevrolet Silverado 1500 Knock Sensor offered with an amazing low price guarantee? Purchase from us and save a lot!. Not usually. Installing a quality Omix-ADA Knock sensor will fix the problem. Ran fine two weeks ago, check engine light came on, then soon after check gauges light came on. Labor costs are estimated between $79 and $100 while parts are priced between $73 and $108. This module MUST match the knock sensors you are using. I would suspect you could do the same thing it would just be a matter of figuring out what the resistance is of a working knock sensor. At first I thought it was comin from the top but when i get under it it's alot louder sounds like its comin from the oil pan. com There was a problem with saving your item(s) for later. This is because its function is to sense vibrations caused by engine knock or detonation. We're still getting a P0325 Knock Sensor 1 Circuit Malfunction (Bank I or Single Sensor) even after replacing the knock sensor. need help with understanding knock sensor settings Recently, while having tuning done on a dyno, the heads lifted and water was pushed. Your code is a P0332 Knock Sensor 2 Circuit Low Input (Bank 2). ep on your computer and deleted it but could not fix it how can this be fixed?. Specific to: Chevrolet Silverado 1500 2008. Of course, this means that the GMC Sierra and Yukon of the same years have the same issues. Normal output voltage of a MAP sensor should be about 4. Replacing the knock sensor usually takes care of the problem. A (MAP) Manifold Absolute Pressure Sensor senses air pressure in the intake manifold. A problem with the air flow sensor could also alter the shifting pattern of the automatic transmission. Checked with a scanner to find only 1 code: P0332 Knock Sensor Low Input Bank 2. I have a 2002 GMC 1500HD with the 6. any insight to if the coolent has to be drained and any other tips would be great. Have both knock sensor codes coming up on my 2004 chevy silverado 5. i have an 03 2500HD 6. What could be better than a high-quality Chevrolet C1500 Suburban Knock Sensor offered with an amazing low price guarantee? Purchase from us and save a lot!. Knock sensor 2 is the gray connector. P0332 DTC Code - Knock Sensor 1 Circuit Low Input (Bank 2) A knock sensor tells the engine computer when one or more of your engine's cylinders are "knocking", that is, exploding the air/fuel mixture in a way that delivers less power and can be damaging to the engine if prolonged. I would like the car to run as good as it can stock. Knock sensor bypass. gen iv engine family 2006 + The Gen IV engine family started as early as 2005, with the introduction of the LS2 engine, the only Gen IV engine to use the Gen III Cathedral style intake ports. Find many great new & used options and get the best deals for Knock Sensor with Harness Pair Kit Set for Chevy GMC Silverado Sierra Cadillac at the best online prices at eBay!. if its overly safe and fails over to very low timing, performance will suck. The 2001 Chevrolet Silverado has 29 problems reported for engine knocking. Install the wiring harness assembly to the knock sensor. This module MUST match the knock sensors you are using. if it truely is bad, i would replace it. Anyway, back to the original point of the thread. Intake Air Sensor (IAT) Depending on the type of MAF sensor, the IAT can be either located in the air intake tract or internal to the MAF sensor. Can the knock sensor be disconnected? No other mods have been made. Specific to: Chevrolet Silverado 1500 2008. 1990 Chevrolet Silverado Replace Knock Sensor The 5. It is basically the computer’s ear to the engine to determine if it is working properly. You can also find other images like chevrolet wiring diagram, chevrolet parts diagram, chevrolet replacement parts, chevrolet electrical diagram, chevrolet repair. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram, transmission diagram, and engine problems. Answer D is wrong. Knock Sensor Not Included; View Details. Today I'll be showing you how to test the primary or upstream O2 sensor in a 2004 Chevy Silverado with a 5. After a cold start on the dashboard always appears check engine light Can I still drive my car with bad knock sensor?. Use a knock sensor tester or 'scope to determine if the sensor is generating a signal. Today I'll be showing you how to test the primary or upstream O2 sensor in a 2004 Chevy Silverado with a 5. A good friend of mine just graduated from Wyotech and last night we tore it down and replaced the knock sensor with the proper one and it runs like a champ now. The Engine Coolant Temperature Sensor ("ECT" for short) is an analog sensor which, as it's name says, measures the temperature of the coolant and feeds this data to the on-board computer. For example HO2S11 would be the oxygen sensor on bank 1 and first in line (pre catalytic converter) and HO2S12 would be on bank 1, but second in line (the monitor) An oxygen sensor creates a voltage between 0 and 1 volt by means of a chemical reaction between the sensor element and the oxygen in the exhaust passing across that element. Hey I've had this truck since 2009, it's a 2000 silverado 2500 (nonHD) extended cab long bed 4X4 with the cast iron head LQ4 (6. Do the O2 sensor first. 2005 Chevrolet Silverado Knock Sensor Had A Code For Ok Nock Sensor Replaced Both Of Them Cleared Code Out And It Came Back On. The acceleration and fuel mileage will start to decrease for one thing. Buy AC Delco 213-3521 Knock Sensor at Walmart. The 2001 Chevrolet Silverado has 29 problems reported for engine knocking. I have a 2002 chevy silverado with a 4. This crystal is used to produce AC voltage under vibration. This problem tends to occur more in vehicles where the engine compartment has been washed frequently. Honda Accord: How to Replace Knock Sensor. I have a 1998 chevy silverado 4x4 with a 5. This can be caused by anything in the engine that can produce the proper frequency. That'll cost you like 20 bucks, and it sounds like that would be the problem. Intake Air Sensor (IAT) Depending on the type of MAF sensor, the IAT can be either located in the air intake tract or internal to the MAF sensor. Find ACDelco GM OE Knock Sensors 12589867 and get Free Shipping on Orders Over $99 at Summit Racing! ACDelco GM original equipment knock sensors are the GM recommended replacement for the vehicles original component. 5 volts with engine running at idle. To temporarily solve the problem I put a 550K resistor in parallel with the bad sensor, and this worked fine. Had problems from the get go. Specific models include (but may not be limited to): Chevrolet Silverado, Tahoe and Suburban, GMC Sierra, Yukon and Yukon XL. If you can hear a slight change on the engine's sound, then. It detects any engine noises caused by detonation -- when fuel explodes in an engine's cylinder-- and adjusts ignition timing accordingly. If it occurs too frequently or violently it can be highly destructive. This engine had a slight rod knock or upper engine noise that was causing the knock sensor to record a false signal. Ok so went to replace the knock sensors a few min ago amd got everything off and one out went to the back one and its so rusted that the heads rusted off wth do i do to get this thing out theres nothing to grab ahold of is there a special tool or do i need to break the vally cover to get. To see how frequently Chevrolet Silverado 1500 problems occur, check out our car reliability stats. Where is the knock sensor on a 2003 Silverado with a 6. In fact, if you have a 4. 2004 Chevy Silverado Accessories & Performance Parts If you own a value-priced Work Truck or an LS with an automatic tranny, at AutoAnything we have the right 2004 Silverado accessories for you. Will go into gear cold, but not hot. In this video I will show you how to quickly test a knock sensor circuit. Order your Chevy GMC Pontiac Cadillac Hummer Engine Knock Sensor & Harness Kit - 1AEEK00589 today at 1AAuto. Oil pressure dropped down when I stopped, then came back up while driving. Estimate does not include taxes and fees. If you know of the location, I would appreciate a little education I haven't worked on any of the 6. Order Chevrolet Silverado 1500 Knock Sensor online today. 1993 to 1997 Camaro and Firebird used 1. 3) will start missing when i stomp the gas and also my fuel milage has went all to crap. 8 vortec engine that has a code stating i need to change the knock sensors? im pretty handy with a wrench and Chevy silverado knock sensor replacement (gasket, engine, replace, repair) - Chevrolet, Cadillac, Buick, and GMC -Car forums - City-Data Forum. Many owners of the Chevy Silverado can testify to this particular 5. Had problems from the get go. 7 pickup - Duration: Chevy Silverado Knock Sensors FIX IT RIGHT The First Time. First off let me explain the code on your Chev Silverado 1500. Modern internal combustion engines utilize the knock sensor to allow for aggressive timing profiles. If you are picking up cross talk on the leads from the alternator or something that would cause all kinds of problems. There's more than just one Silverado O2 sensor in your Chevy truck, especially when it's an OBDII Silverado or built after 1996. In fact, if you have a 4. For 1995-previous model year EFI-equipped GM vehicles.