Ls1 knock sensor frequency. But you'll need to start with what would be a "sane" amount of timing for the combo. The knock sensors could be an issue but not for the reasons you stated. You'll also need a MAP sensor extension harness, a camshaft position sensor extension harness, and fuel injector May 8, 2008 · I had the same thing with my FAST 92 intake, the wire going to the front knock sensor was flattened out and barely holding together. 09-07-2015, 08:45 AM. I have the Frequency set to 11. Now he has Borla straight pipes and it reads spark knock at the same rpm every time now. That said, the 2001-2002ish S10 pickup used the same 0411 hardware and 12212156 OS, and flat response sensorsso they ARE compatible with the PCM. I swapped in LS2 into my 02 Camaro SS. 3L V8 out of a 2003 Chevy Avalanche (LM7 engine). Connector comes with connector housing, terminal and seal. LS knock sensors are components designed to detect the acoustic vibrations produced within an LS engine due to abnormal combustion, commonly known as engine knock or detonation. I used 2 knock sensors from a 95 tbird 4. My car pings when at low rpms while ur giving it a lil bit of gas. Sep 25, 2011 · That's it. While tapping on the block, the frequency on the meter should go over 125 hz. He typed that while I was typing but I was leaning toward the same conclusion. After the repairs, I made it a whole 120 miles before the check engine light came back on with the same code. Oct 16, 2023 · How to fix a Chevy/GMC P0332 engine code: Knock Sensor 2 Circuit Low (Bank 2)What is a Knock Sensor?The knock sensor detects vibrations that come from a knoc Aug 21, 2016 · When knock stops, spark retard fades out fast and the Knock Learn will start to go back to 0. 2014 camaro 2ss/rs. Pull the bolts out, you'll only beable to slide it forward alittle bit, then reach behind it and unplug the MAP sensor and 1 large vac line going to your brake booster and small one going to your heater controls. 3. This knock frequency calculator helps you find the theoretical knock frequency of an engine. 6 liter. Feb 13, 2015 · With proper calibration changes and a little engine wiring work, the early LS-series PCM can be configured to use the flat-response knock sensors. In the LS1, the tuning was done in the sensor. Nov 7, 2010 · I know I need to relocate the knock sensor but what else? Do I need to install a new computer? What about the electronic throttle body? Any tips, ideas, previous situations, kits to buy, etc. Sep 16, 2010 · For example, a 5. RWTD. It has a misfire at the moment that will hopefully be taken care of soon but wanted to know what values it should logging or if the number it shows should move at all or be steady number. 25 out of 5 stars. If it is something otherwise, educate me. Failure in knock sensor circuit should set a related diagnostic trouble code. The ESC module sends a voltage signal (8 to 10 volts) when NO knock is detected by the knock sensor. They should be down on the side by the starter and by sterling shaft on ls2. biz/itemdesc. The bore size for an EJ25 is 99. Disconnect the battery before removing the airbox lid and mass airflow sensor (MAF). Now the only equation I found to calculate the frequency was. 2004 torrid red with red interior A4 GTO (1 of 499) TR-230/236 cam/TEA ported Trick Flow 215 heads/4" CAI/100mm MAF/ported FAST 90/Kooks/Magnaflow. Nov 20, 2015 · Knock Sensor Adapter for 1997-2004 LS1 Car to LS2 Knock Sensor ; This harness allows the dual-wire LS2 knock sensors located on side of the LS2 engine block to be plugged into the factory LS1 PCM harness. Measure the resistance of the appropriate knock sensor by connecting the DMM J 39200 between the knock sensor signal circuit on the sensor side and the engine block. 30 g. Set the “Max Timing Retard” in the ESC parameters to 0. email= edcmat-l1@msn. hugger orange. It's cheap to replace but better if not broken at all. cutting and welding. 79k mHz. Your chosen location will depend upon header clearance. Replacing knock sensors and harness on an ls Dec 9, 2013 · 1081 posts · Joined 2008. I loaded this tune and relogged a short while. See previous video for removing the intake manifold. Can I change the knock sensor frequency. Solved by going speed density or halving a boat load of data/values. It’s a convenience for LS2 engine swaps into LS1 vehicles. If you swap in the 99 to 2002 knock sensors, then you can use the 99 to 2002 harness which I found with a quick google search. I'm not picking up anymore "noise" than about 31%. If knock retard is present, skip to section 4. Product Description. When the car had the stock modified exhaust it was taking 26* total with no knock. Maybe he's talking about the coolant temp sensor. would all be helpful. Dec 20, 2015 · The white plugs go to knock sensors on each side of the block. 62in. The KS system monitors both knock sensors in order to determine if knock is present. May 5, 2014 · I was just wondering what the scanner reading on my 1995 trans-am should be reading when at idle for the knock sensor. Be sure to disconnect the intake air temperature sensor (IAT) and mass airflow sensor wiring harness plugs. 02-24-2011, 04:49 PM #10. Suits the knock sensor on Holden Commodore VN 3. This is an older thread, you may not receive a response, and could be reviving an old thread. 1995 LT1 Wagon. Oct 1, 2018 · 2. Apr 5, 2016 · A knock sensor is used to sense detonation in your combustion chamber. The G4+ KnockBlock is an essential tool for tuning and can aid in the early detection of incorrect ignition timing, lean air/fuel mixtures and mechanical issues. Jun 27, 2005 · the 2. It is triggered when the powertrain control module (PCM) detects very low voltage readings from your vehicle’s primary knock sensor circuit. It helps to keep from picking that up as real knock and retarding the timing. D. #15 · Dec 10, 2013. 5mm/3. My 99 trans am throws the knock sensor code My question is, can the knock sensor cause my car to ping, or is the pinging causing the knock sensor code? Sep 2008. Jan 4, 2022 · This item HCLLPS For Knock Sensor Grommets Valley Pan Seal Gasket PAIR For GM LS1 LQ4 LQ9 5. MAF Freq to mass flow is maxed out by the hard code within the PCMs table (512g/s in my case). 0 mm. Oct 5, 2015 · They say that tuning is required and I'm guessing this would be knock sensor frequency. Oct 19, 2017 · 2. asp?ic=LS1-KSRH&eq=&Tp= which allows the use of the 2 wire LS2 knock sensors. Don't let the engine knock, but if the engine isn't even pinging, you can't confirm a knock sensor is "tuned" (that's just guessing). Feb 1, 2008 · With a cam or long tubes, the knock sensors seem to pick up more vibrations and read it as knock and pull timing and set off the check engine light. See full list on ls1tech. If the reading is less than a couple ohms, then the wire is ok. ), to test that the knock sensor prevents pinging. Knock Sensor Components, LS1-LS2 Knock Sensor Relocation Harnesses, Wiring Harness Component Type, Chevrolet, Pontiac, 5. Jun 18, 2023 · These codes indicate low voltage readings from the knock sensor circuits. This table offers an excellent starting point for a Non-Resonant sensor. Definitely not interchangeable irrespective of the number of wires. Jun 3, 2021 · Diagnostic trouble code (DTC) P0327 stands for “Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor). Do any of you know which tables I would need to change to do this? Last edited by Illegal Vette; October 5th, 2015 at 01:26 AM . MAF Freq is maxed out (12kHz in my case), again upgrade the MAF size to drop the frequency. But you can't tell with a Tech2 scanner. Jul 9, 2009 · The bolts won't matter. Without the safety of the knock sensor, the LS1 defaults to a limp mode tune to make it safely to a repair shop or dealership. Genuine GM Chevrolet Knock Sensor 12623730. Code P0327 pertains to the sensor on bank 1 (the side of the engine where the #1 cylinder is located). Mar 17, 2011 · The LT4 KM was used on the LT4 engine that had a little extra noise due to the roller rockers that were used. I bought some 2000* tape to wrap it, but I can't get the dang wire out to wrap it. In LS2, it was tuned with software in the ECM. Most Bosch knock sensors have their resonance frequency at around 25 kHz. Nov 14, 2014 · Most of the knock sensors used today have a range to detect frequencies of 1 to 20 kHz. 5-volt DC signal back to the knock sensor module or PCM. com. The knock sensors are located in the valley of the engine and require the intake manifold to be removed for replacement. 917". The minimum noise level is learned when the following conditions are met: The ECT must be greater than 60°C (140°F). 2004. This can be done by making sure any dirt, rust, corrosion is cleaned up down in the "hole" before you install it. 9 or 6. I used real gm parts btw. Go to Step 4. Dec 30, 2013 · I have a 5. They say that tuning is required and I'm guessing this would be knock sensor frequency. LSx, LS1, LS2 LS7 GM Performance & Technical Information Nov 17, 2006 · Knock Sensor / 15 Oil Filter / 22 Oil Filter Fitting / 40 Oil Level Indicator Tube (Dipstick) Bolt / 18 Oil Level Sensor / 115 INCH #'s Oil Pan Baffle Bolts / 106 INCH #'s Oil Pan Close-out Bolt LT & RT Side / 106 INCH #'s Oil Pan Drain Plug / 18 Oil Pan M8 Bolts (pan to block & pan to front cover) / 18 Oil Pan M6 Bolts (pan to rear cover Dec 15, 2012 · batboy. The clip that holds the sensor wire to the engine block is litterally pinned by a primary. Forged 372 ci Cryotreated and Deburred LS6, AFR Heads, One Off Front Mount Single 76mm TURBO, Trick Ass Hand Made Prototype Water Intercooled Sheetmetal Intake, Top Cover Sheetmetal Raised Valve The reason the LS2 style sensors "dont/won't" work on an LS1 based system is because the LS1 PCM is not designed to work that way. 3) Re-learning the ECM. to swap to the 99 knock sensors, you will also need the knock sensor wiring harness. I'm curious what others with this engine have used for knock sensor filter settings. Part Number: LPE-RX-LS1-KSRH Estimated Ship Date: Tuesday 5/28/2024 Fits engine RPO codes: LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33. 2. Jul 1, 2013 · DTC P0332 refers to the rear knock sensor. Oct 25, 2015 · Knock, or detonation, has its own signature frequency which seems to be relative to the bore diameter. It is used it with ear buds, headphones or noise cancelling ear muffs and features special filtering to allow you to listen in and detect knock early. One thing to watch for is the oil pressure sender on the drivers side rear of the block. The PCM will retard ignition control timing until signals from knock sensor cease. Some vehicles may be equipped with two knock sensors. Advanced diagnostics, tuning, emissions. It has the perfect added length and thermal protection required to be routed near hot exhaust manifolds. May 26, 2013 · Hey have an engine light code is front knock sensor car is running rich and surges losing heaps of power just spent 4 g on the car heard knock sensors are a 500 dollar job my car needs a tune because just had longtube extracters put on. The LT1 has a basically standard steel valve train and cast iron exhaust manifold. #1. It has nothing to do with the sensors-only the knock module in the PCM. The results of this calculator are a guide, not gospel. 12-27-2010, 10:09 PM #8. Is the resistance of the knock sensor within the specified range? 93-107Kohms . 5 x bore size) bore size is 99. If knock occurs, this signal is pulled low. Take note that the voltage value may vary depending on your vehicle’s make and model. I can select 5. Aug 4, 2020 · ICT Billet LS Gen III Knock Sensor Relocation Brackets Billet Aluminum Compatible with GM LS Gen 3 Engines LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 551216-KN30 LS Knock Sensor Relocation Brackets . Jun 6, 2011 · If one of the two knock sensors is bad, it will set a code. You can pick up extension harnesses for the LS1 knock sensors for cheap. However, tolerances in components and differences in each application may require adjustments. Knock sensor placement and installation is critical. If you suspect a knock sensor issue you need to connect a scanner to your car and see if the PCM is pulling timing due to knock. Inspect the terminals at the Knock Sensor (KS) jumper harness connector located on the left side of the intake manifold for a connection problem. 33 out of 5 stars ( 3 ) Lingenfelter Performance Engineering LS1-LS2 Knock Sensor Relocation Harnesses RX-LS1-KSRH LPE-RX-LS1-KSRH. Conditions for Running the DTC. There are several ways of "turning off" the knock sensors, deadening them, etc. Pedders eXtreme track II with fast ratio steering gear, Harrop diff cover, GMM race shifter,1 piece aluminum driveshaft, MSD wires, E E Catch can,2005,6 Corsa sport 1-Pin GM LS1, LT1, 38L V6 Knock Sensor Connector. I don't see the "bore diameter" parameter in my EFI V3 but the Help section mentions it. Requires extending wire harness or using an ICT Billet knock sensor extension harness (ICT# WEKN030-36) Replacement knock sensors: ICT# SEN010. There's one in the front of the driver side head right next to the exhaust manifold. Don't get the harness that tries to utilize the LS2 knock sensor. Apr 16, 2021 · About this item . 12 on the module, so I picked 5. com) P0327 stands for knock sensor low input. I always run 93 Octane and was seeing up to 5* KR so i decided to run a tank of E85 for the higher octane to see if the KR was real or false and after running the E85 i had no change in my KR Posts. I am in the process of slowly changing my ls1 intake for a fast 92/92 after removing the intake i find my wiring for my knock sensors are different then anything i Jan 5, 2022 · 2) Check that the knock sensor properly grounds when installing them. Different knock sensors, engine design and knock sensor location will all effect the knock frequency to some extent. That rpm just happens to be where the exhaust changes pitch. Allows LS Gen III knock sensors to be retained and relocated from the valley pan area to the bottom edge of the engine block. When the knock sensor 2 circuit detects a low input signal, it means that the engine is not functioning properly. They provide feedback to the engine control unit (ECU), allowing it to adjust the ignition timing and prevent knocking. Per the recommendations above, set the knock sensor parameters. 7,364. The two-wire, flat-response knock sensor was used with the GM# 12200411 PCM and 2001–2002 4. 7 ACDelco GM Original Equipment 213-3521 Ignition Knock (Detonation) Sensor ACDelco GM Original Equipment 213-96 Ignition Knock (Detonation) Sensor So basically it shouldnt have that code if it has new knock sensors? I havent called the shop yet because somebody was telling me this whole time that it was supposed to have that ks code untill i had a tune, even with new ks. JayTA98. Posts. 5. . EFI Live says that increasing B6250 & B6255 desensitizes the sensor. 6 TR6060 ZO6 (520Whp) 2014 Audi S7 (730whp) 08-19-2009 #2. 5 khz up to 6. Sep 8, 2015 · Tweet. harness # 12601822. Originally Posted by pajeff02. 2001 Silverado Z71. 4. We replaced both knock sensors and the wire harness (in addition to the oil flow sensor and fixing a vacuum line). Does anyone know if it's safe to turn the one knock sensor off in the tune of turn them both off completely LS2 with LS1 knock sensor relocation. You may have not plugged them in. HPtuners dealer and tech support. Knock Sensor Tuning. The minimum noise level must be learned. Look at knock retard FIRST. 1999 Formula WS6 M6-sold. Most cars seem to like narrow band oxygen sensor reading between 890mv - 900mv. 14 ft/lbs and no more or you'll get false knock readings. This means the PCM has detected a problem with the knock sensor or its circuit. ”. C. If resistance is low, check the circuit for shorted wire or shorted sensor. The knock sensors (KS) produce an AC signal under all engine operating conditions. I'm using the internal knock sensor module from DIY on the MS3. Too low or too high and it'll screw up dialing in the knock sensor sensitivity. The sensor picks up knock (detonation) and the PCM retards the ignition timing to prevent the knock, which can seriously damage the engine. The only one I could find with blue and white was the driver side coil pack plug. Proud owner of another PBM '04 Mods- PRC 220cc As-Cast, Howard's Cams 226*/232*, Comp 1. Oct 16, 2002 · Knock frequency is based on engine bore size, which, for the EJ20, is 92mm/3. The front sensor is the Dark Blue wire and the rear is the Light Blue wire Should be 93-107K ohms. Sep 8, 2014 · The knock sensor in the block is just a microphone, if you fed it to an amp you would hear the sound it sends. Listen to one or two knock sensors. 0 6. May 15, 2009 · Help with driver's side Knock Sensor (LS2) I don't like how close my knock sesnor wiring is after my Kooks 1 3/4" LT install. Running a 5. Dec 17, 2013 · If you disconnect both knock sensors and test pcm line for 5 volt reference, see what you get. I knew id have a code for egr that was disabled because of the ls6 intake done at the same time. The LS3 are a flat response sensor, the 0411 in your F-Body is expecting resonant sensors with the original F-body code in it. *If knock retard is not present, continue to the step C. If the KS system determines that excessive knock is Nov 7, 2010 · I know I need to relocate the knock sensor but what else? Do I need to install a new computer? What about the electronic throttle body? Any tips, ideas, previous situations, kits to buy, etc. I put them on the side of the block and wondering if I should increase or decrease the sensitivity of the sensors? Anyone with experience in this matter, please let me know. 0 5. 93s don't have a separate module that can be replaced. Feb 6, 2024 · Resonant 1-wire knock sensors detect harmonic vibrations over a narrow band, and are tuned at the factory to the center frequency of a specific bore size, such as the 99mm bore size of an LS1. 3L V-6 engines. The main resonance frequency usually is higher and outside the range of detection. Screw an LS1 sensor into each side of the LS2 block. It will take many hours to get them to work as good as they did when the vehicle/engine config was stock. 00 which slowly put it back to whatever the High Octane spark tables say. Please check your original connector’s shape and keying before purchasing! Weight. It gives detailed instructions on removing the intake. black. 1 kHz, and have worked the Sensitivity up to 70 and then on the datalogger. Common Reasons for Continued Codes: After replacing a knock sensor, continued codes can be caused by issues such as faulty wiring or connectors, damaged sensors, or problems with the Quick Navigation GM V8 Tuning - Engine, Gas (Gen 3) Top. The LS1, LS2 and I believe the LS6 use different sensors than the LS3, LS7 and LS9. 4 Nov 2, 2013 · I ditched the resonant sensors that came stock with the LS1 which were giving me huge false knock constantly even at idle . The OEs spend a lot of time calibrating the knock sensors to work on a stock car. Use an AC voltmeter and check the Hz on each wire listed above while tapping on the engine block. MikeOD. Jul 27, 2011 · There's no switch. You can put them into an un-used M10 threaded hole near the mounts. 00 is the max value for Knock Learn, if it's at 1. Apr 6, 2016 · Step 1 – Remove intake manifold. And I agree that is an odd place for knock sensor wires to be. Knock can be caused by using low octane fuel, elevated engine temps, running lean, excessive compression ratio, etc. 8 Roller Rockers, Kooks 1-7/8 LT's, 3k stall. Now the knock module acts like a pre-amp with algorithms built into it that filter the sound waves looking for a 'knock sound pattern'. 7477 posts · Joined 2005. Applications Include the following vehicles (Gasoline V8 versions only): CHEVROLET AVALANCHE 2007-2013. This signal is fed to MegaSquirt-II by connecting the module output to an unused DB37 pin, and connecting that pin to JS4 (which goes to the 40-pin socket pin #30, then to PAD07 on CPU pin #34). Jun 7, 2012 · Here is a photo of a LS2 block showing knock sensor locations and what needs to be done to convert it to LS1 knock sensors (the LS3 block should be basically the same). Set the DMM to the 400K ohm scale. Also, the pinging condition must be repeatable (a hill, lower octane fuel, remove cold air intake, etc. Sep 7, 2015 · Exactly my point. Open the VCM Scanner>Histogram display>Air/Fuel tab and look at the 100(kPa) row. 3 6. PART NUMBER - 12601822, 12589867, 10456603, 8104566030, 12597415, 15372170, 917-033, 2133521. https:// Mar 29, 2006 · Extend the knock sensor harness ( you can buy an extension) to reach mid block on both sides , around where the engine mount plate goes. 1. I've never seen the switch for the sensors in Navy Blue Metallic. The Apr 30, 2017 · The following is the recommended process for testing and setting proper knock parameters. To test a knock sensor, I would also just use an oscilloscope in a singe shot mode and bang. If it goes bad, you will get a check engine light and notice that your LS1 feels sluggish. 2. Just wondering if a bad knock sensor could be the reason for the low hp? btw-car is bone stock, 143k, a4. 09-30-2011 #10. 00 then it's using 100% of the low octane table (along with any other modifier tables). Please consider creating a new thread. Very easy to break that off with the brake booster vacuum hose when pulling the intake out. No I don't but apparently there are 2 different style knock sensors on Gen III LS engines. Go to Step 6. Wire assignments: Driver side - bank 1 - dark blue wire. 05 YJ - Forged LS2 Wiseco / K1 / ARP stuff, Twin 67, corn May 23, 2007 · Knock sensor? I can't speak for the LS2 but on the LS1, the knock sensors are in the lifter valley. 900/ (pi x. 90 inches. A good clean surface will ensure a good ground. 0 kHz. I highly doubt that is the problem with your car. I recently had my 98 trans am dyno'd, and it only put out 263 hp and 284tq. Feb 22, 2021 · Here's a quick overview of removing the knock sensor and valley cover for a 2001 C5 Corvette LS1. Knock sensors must be tuned to a very specific frequency band. 6,443. Sep 6, 2023 · It came with knock sensors installed in the valley (Gen III, “LS1 style” resonant knock sensors), but it's drilled and tapped in both the center valley knock sensor locations, and also on the lower sides of the block where the Gen IV “LS2 style” flat response knock sensors would mount. HIQH QUALITY - This knock sensor and harness kit has gone through rigorous test for perfect fit and function that exceeds OEM specifications,Meanwhile the high-quality materials help to resist corrosion of the wire harness, ensuring a long service life. Dec 18, 2009 · The LS3 knock sensor attaches to the engine block between the side bolts for #3 and #4 mains. 11-03-2007, 09:33 AM #5. DTCs P0117, P0118, P0121, P0122, P0123, P0125, P1114, P1115, P1121 or P1122 are not set. EFI specialist. Someone had suggested i adjust my Knock Sensor Sensitivity to get rid of my part throttle KR. Includes: 2 billet aluminum knock sensor brackets, and mounting hardware. The voltage and frequency of this signal depends upon knock signals received by the knock sensor. 8L V6 engines as well as many other GM Gen III LS1, LT1 V8 engines. The LS1 KS's are a single wire broadband sensor that the PCM sends a certain amount of voltage to, as the sensor detects knock, it changes the voltage reading and the PCM then knows how much knock is present by the Jun 27, 2005 · the 2. If voltage rises to 5 volts with both sensors disconnected, problem will be in wiring to ks or ks itself. 1998 Trans Am. Any time you change valve train, piston type, and put solid mounts on you change everything. That one doesn't work well. The sensor takes a through bolt to hold it in place. knock sensor code with new knock sensors? A few months ago i had my knock sensors replaced because one was bad. 02-13-2010, 12:42 PM #9. 3L turbo setup, with (2) 1-wire sensors. mark21742. It will take a bit of data logging and interpretation to develop your own knock Apr 16, 2024 · The knock sensor 2 circuit is responsible for monitoring engine vibrations and detecting any potential engine knocking or detonation. This would result in a Theoretical Knock Frequency of 6. You can set the center frequency of the knock sensor and go from there. ERE 383. Mar 21, 2013 · Drill and tap the normal knock sensor location. The car seems to run fine, only thing wrong with it is it threw a code for a bad knock sensor a few weeks ago. Double check the 2 wire harness at the drivers side rear of the intake manifold is plugged in and not pinched anywhere. 1,668. It isn't hard. the early 98 knock sensors were sensitive. I was at the auto parts store the other day and i figured id have em check my code just to make sure it was May 16, 2014 · They are built for specific frequency that is matched with the factory parts, once you add something like forged pistons they get questionable at best as power looks like knock to the sensor. One test you could do it unplug the red PCM connector and the MAP sensor and hook an ohm meter to pin 32 @ PCM and to the MAP light green wire. If resistance is high, check for corroded wire or poor connection at the knock sensor. Make sure the base timing table is calibrated such that you will have no knock at any RPM and load. Some of it was actually resting on a primary. Feb 1, 2016 · Cross section of a typical knock sensor. Fits Gen 4 LS V8 Engines 4. When the engine is running, the powertrain control module (PCM) learns a minimum and maximum frequency of normal engine noise. I don't want to get too far out into left field, but I tweaked B6226 Knock Sensor Frequency from 5. then, in 1999 they were completely changed. 8 5. 7L LS1 engine has a bore size of 3. (Courtesy: azosensors. An online calculator and it told me to use 6kHz for the knock frequency. Sep 27, 2020 · Find the resonant knock frequency of an engine. Aug 6, 2017 · That being said, get AC Delco sensors if you're replacing them, and torque them to spec. If you are getting knock after a tune, I suspect you need to back off the timing a little. 0 khz, B6250 Knock Sensor Multiplier TPS up, as well as B6255 Knock Sensor Multiplier RPM up some. I am tuning a friends car and keep getting false knock. A tech2 can't tell if the knock sensor codes are turned off, if you've zeroed the knock sensor tables, if you've reduced the sensitivity so low they don't work anymore, effectively turning them off, etc. If power stays low with both ks disconnected, then problem could be pcm ground or power supply. 2002 6. 9kHz. com Jan 2, 2015 · LS1 sensors are completely different than LS2 units. 7L, Each Part Number: LPE-RX-LS1-KSRH 3. P0332 refers to Bank 2 Sensor 2, P0325 to Bank 1 Sensor 1, and P0327 to Bank 1 Sensor 2. 7,006. . #12 · Dec 16, 2012. Check the resistance of the KS from the Dark Blue wire, pin A to ground. That led me to a frequency of 5. Oct 5, 2015 · I'm considering an upgrading my LS1 with a 411 PCM to an LS3 short block and while I could use LS1 knock sensors I found this: http://racetronix. The knock sensor supplied with my TEC3 (which I'm assuming is the knock sensor sold by Electromotive) gave pure crap response on my EJ20. they were updated mid year. dr hi mb ws sq bn ei qt kj ti