That way, youre not throwing money down the drain for replacing the wrong parts. The sensor is very hard to get to and expensive to replace on a Rx300. Unfortunately, that also makes it more likely that you need to hire a certified mechanic in the first place. I appreciate the tip. Given that, have you tested the sensors to make sure that they are the problem? I checked knock sensors once on my car. I find rodent damage just as often as failed knock sensors. If you furnish parts the mechanic will not warrantee them and if they are bad you will pay labor to remove and replace. Just posting an update. A new harness is inexpensive at ~$30. Here's how to tell if your knock sensor is bad. I have observed in the last couple months some knock sensor wiring problems, mice have been found to be gnawing on the wires. Airtex Advantech EGR valve, failed within 1 year, original lasted 20+ years. 19K subscribers In this video we get the bank sensor working for free. zubysan What's next!? One to fix and one to drive while you fix the other. Where is the OD solenoid? But you should be able to check for shorts. So my 99 lexus rx 300 with 200K+ is throwing the codes for both knock sensors. I appreciate you listing the Torque values. However, there are tons of different sensors, so make sure youre disconnecting the right one. There is an issue that pulls the code P0330, and instead of continuing to replace the bank sensor that is known to fail,. Lesmo is situated at 45.65 North latitude, 9.31 East longitude and 212 meters elevation above the sea level. Anyone ever install a flakey new part only to have to replace it. If I couldn't do this work myself, I'd be out over $1000 in parts and maintenance. 1999 lexus rx300 p330 code knock sensor 2 circuit problem. I have already replaced 2 knock sensors and intermediate wire - Answered by a verified Lexus Mechanic . You cannot paste images directly. If you have an account, sign in now to post with your account. Not sure Id spend $200 on 2 sensors based on that. Keep in mind that your knock sensor needs to hear and feel whats going on. RX300 Knock sensor errors - Lexus Owners Club Is it not more likely that transient pulses are coming from the piezoelectric crystals (the knock sensors) due to pinging or some other cause of mechanical inputs to the sensors? When I checked the error message I got PS300 PS301 and PS302, which from what My Lexus rx300 53 plate has died I have lights and RX - 1st Gen (1999-2003) - rx300 2000 overdrive issues, and knock sensors - Two days ago i replaced my supposedly faulty knock sensors with auto zones duralast knock sensors, after 9 hours of work the code still pops up for a knock sensor. Your link has been automatically embedded. Im not sure what you mean, If the engine was pinging the knock sensor would do its job and retard the timing. rx300 2000 overdrive issues, and knock sensors - ClubLexus - Lexus But keep in mind that this is if the knock sensor is faulty, and not if you have an engine knock. You are definitely a credit to yourself and your family. That should tell you if theyre functioning. The OEM cable has a sticker on the connector meant for bank 1, the bank 1sensor is closest to the firewall of you car (closest to the windshield). Ive had a few new parts in the last 2 years that flaked out within a year or didnt work out of the box. sensor 1 has been intermittentfor a while, now 2 causing issues. Not worth risking an aftermarket part on. The sensors are not an easy fix as the intake manifold must be removed. Without the knock sensor, your engine can start detonating and seriously damaging your engine. It's doing it now, worse than ever. Find on the map and call to book a table. Whats the overall engine condition? The OEM part is close to $200 a pop from the dealer. 2000 Lexus RX 300 does not shift to overdrive. Alot of people would have either just stopped or given up and only repaired what they originally planned to repair. Wires are accessed at the ECU connector block for convenience rather than trying to jumper the Knock Sensor leads under the hood. 2023 Otherwise, you might be replacing a sensor thats doing exactly what its supposed to! Fuel Injection Throttle Body Mounting Gasket. But what does a knock sensor do, and how do you know if you need to replace yours? I thought it was very strange that more than one sensor would light up at the sametime so, I began a Google search. Your location and vehicle may affect the price of Knock Sensor Replacement. Theres a bunch of tutorials on the internet. A bad knock sensor may also not let the engine accelerate properly while driving on the highway, and cause the vehicle to lose fuel mileage. Driving enjoyment and passenger comfort are both enhanced in the Lexus RZ 450e by the cars DIRECT4 intelligent all-wheel drive control system. Certified Automotive Diagnostic Technician. When errors occur. 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Its certainly not a quick disassemble/re-assemble job. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. You can usually check knock sensors with a multi meter. To fix the issue, I ordered a valve cover gasket kit that came with the spark plug tube gaskets as well. Buttons Do Not Sell or Share My Personal Information. If the sensor detects a chronic misfire itll trip a fault code. After getting a mechanic friend to dismantle everything to get at the sensors, it was apparent that the wiring harness to both sensors was badly corroded, as well as the tagin the sensors. The code of 325 indicated the knock sensors was . There are many posts with pics about how to do this. When it comes to these knock sensors, I've learned that they are incredibly sensitive and if they are not detecting the exact frequencies that the ECU is searching for it will probably throw the CEL. Used Cars; New Cars . It is throwing knock sensor 1 and 2 codes. I own a 2002 Lexus RX 300 with 320,000 miles. Any recommendations which of these might be a good choice? haha. Your destination for buying luxury houses in Lesmo, Lombardy, Italy. Buy. You always need two. As soon as your knock sensor gives you, youre going to notice a decrease in acceleration. Knock sensor lexus rx300 2001 - I have code po 330 knock sensor bank 2 but my problem its comes up sometimes and some time no check engine whithout any e. Skip to content. This most likely means that the wiring harness is bad. Upload or insert images from URL. The worst was a cheap fuel pump a mechanic installed, that was complete junk from the start. Paste as plain text instead, The most common symptom of a bad knock sensor is a check engine light on your dashboard. 15 minutes and $0.00 and it ran normal again. The error codes are really only an indication of where to start looking, not an absolute guarantee that the sensors really are faulty and replacing them will cure the fault. 2000 Lexus Es300 Knock Sensor Replacement - Location & Repair. To fix the issue, I ordered a valve cover gasket kit that came with the spark plug tube gaskets as well. SOLVED: Lexus rx300 2002 hard shift between 1st and 2nd. - Fixya I have found alot of information, including part numbers for the 1999 models but not so much for the 2000. Please register or login to enable Dark Mode. Rodents like closed-in cubbies like that. I have an odd knock sensor problem. Error codes are not indications of a specific fault, they are indications of an error *condition*. Is it Safe to Drive With a Faulty Knock Sensor? When errors occur. Since I'm already in too deep to just flip this vehicle out of my life, I've decided to bite the bullet and purchase the OEM sensors for $160+ ea. I was skeptical because Ive fixed symptomatic CEL codes by repairing something different than the stated code. That is all the RX requires. The system automatically manages drive force distribution between the front and rear e-Axles within milliseconds, in response to driving conditions and the drivers inputs. Also sometimes the wiring harness leading up to knock sensors is damaged from heat and may be shorting in the intake manifold. I'm really happy for you! Knock Sensor - 99 - 03 Lexus RX300 - Lexus Owners Club of North America Without removing the knock sensor and testing what more diagnosis would you recommend? And the sensor lights have not come back onthankfully. Both Knock sensors went bad simultaneously. I'm struggling to find the OEM sensors on the web ( and guess genuine will carry a hefty premium ) but Autodoc are listing some Hearth+Buss, Meat&Dorta and AutLog, alternatives ranging from 30 to 60each. If the cables are good, then maybe the sensors are bad, but it does seem unlikely that both would go at the same moment. If your vehicle has a faulty knock sensor, it wont only affect how quickly it can accelerate, but itll also lose its top speed and torque. The Airtech/Wells sensors are about $100 each from Rockauto. If critters might be nibbling on the harness Id suspect that first. Real estate for sale in Lesmo A wide range of offers with photos and prices Help in finding and buying property Free advice. These strange noises are known as knocks and indicate a deeper problem in your system that you need to troubleshoot. Don't forget to replace the missing light bulbs for the sensor lightsI'm sure you didn't, just my small attempt at humor in an otherwise difficult situation. Andyml You really came through and then you went the extra mile and repaired new issues you discovered. No disrespect intended, but I think more diagnosis is in order before blaming the knock sensor wiring harness. In this video I show how to \"fool\" the computer into believing that both knock sensors are operational, which will allow you to clear the code and drive the vehicle normally. Here is Better Footage of this Repair: http://goo.gl/qcRt7a Check engine light comes on and you get OBDII codes P325 and P303. $775.00. Although my Lexus is a 2002 RX300, your situation is useful for me. By logging into your account, you agree to our. But keep in mind that OEM parts will cost more, and you need OEM parts if your vehicle is still under warranty. Join the Lexus Owners Club and be part of the Community. Hopefully this will help someone having similar problems down the line. The problem with these codes is that they will put your vehicle into "limp" mode and disable OD. In order to make sure you're ordering the right parts you'll need to check the month you vehicle was manufactured. The OEM-like Standard Motors (not T line) or Airtex part is about $100, which may just be a reboxed Denso. After several months it is averaging around 18miles per gallon. I spent a few bucks on wire connectors, and got the problem solved within the hour. Sometimes lately when my engine is running I hear a small . The sensors this time were sourced from a different source than the first ones used. I do look forward to reading your end result. Lexus Owners Club of North America I guess it was really buried deep in the engine, the designers must have decided it was such an unlikely part to fail, no worries if it costs the owner 8 hours of labor billing to replace. I have 200,000 miles on my Lexus RX300 2001. Alake-view villa plus annexes, in18,210m grounds inArgegno-Dizzasco. Im not too good at diagnosing to be honest. Display as a link instead, Complimentary Ground Shipping up to $100 on all orders. I just got back form my test drive and knock sensor problem has been fixed! WHILE EVERY REASONABLE EFFORT IS MADE TO ENSURE THE ACCURACY OF THIS DATA, WE ARE NOT RESPONSIBLE FOR ANY ERRORS OR OMISSIONS CONTAINED ON THESE PAGES. It's FREE! Bad gas, worn spark plug and mechanical problems generally wont result in a loss of signal from the knock sensors. The questions should I just pay for the parts. I dont remember the details but you just use a multi meter and tap the block and look for the voltage change. These were all easy to change. My overdrive kicks in and the check engine light is off. I recommend both sensors, and the harness. But by reducing the amount of force, your engines computer also reduces the amount of power that the engine can produce. Basically routing the signal from the good Knock Sensor to the ECU. Just continue to treat others as you'd like to be treated and maybe, just maybe, your compassion, honesty and integrity will be passed on toothers. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Clear editor. All Rights Reserved. While I had the valve covers exposed I figured that I would check the spark plugs and that revealed an oil leak into spark plug tubes 1and 3. Most pro mechanics arent good at diagnostics either, from my experience. Maybe someone else here will give better advice. The odds against that happening are very very high. Education and family values are the most important things that come to mind. Map of Lesmo, Lombardy - road map, satellite view and street view Thank you for the reminder! I would first get into that area and investigate before buying any parts. Is it in the transmission main control module or on the outside somewhere. . Dealer sets actual price. You won't notice a change of performance. Labor costs are estimated between $418 and $527 while parts are priced between $195 and $195. As you say, given the labour involved better to get ones you will trust. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Change the knock sensors, get rid of the CEL and it will shift again. This fuel economy reduction isnt likely to be super noticeable, but youll probably see a drop by a few miles per gallon. I think it bills at about 5 hours. the car is loosing power and transmission acting strangely so assume both sensors need replacing. Please refer to CarGurus Terms of Use. I found this out when I went to get my car smog checked and upon investigation, it was pretty obvious that the instrument panel had been tampered with. 6 Causes of a Knocking or Pinging Car Engine, 5 Symptoms Of A Bad Car AC Condenser Fan and Replacement Cost, 6 Symptoms Of An Exhaust Leak and Repair Cost, 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, 7 Signs Of A Bad Intake Air Temp Sensor and Replacement Cost, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 4 Symptoms Of Bad or Worn Brake Shoes and Replacement Cost, 4 Symptoms Of A Bad Starter Relay and Replacement Cost, 6 Symptoms Of A Bad Valve Seal and Replacement Cost, 5 Symptoms Of A Bad Fuel Pump Relay and Replacement Cost, 6 Symptoms Of A Bad Flywheel and Replacement Cost, Electric Parking Brake Problems Causes & Fixes, Oil Coming Out Of Exhaust Causes & Fixes, 10 Symptoms Of A Bad Fuel Pump & Replacement Cost. Lexus Owners Club of North America Started 9 hours ago, Lexus Owners Club posted an article in Lexus News Articles, March 29, Lexus Owners Club posted an article in Lexus News Articles, January 27, Lexus Owners Club posted an article in Lexus News Articles, December 9, 2022, Lexus Owners Club posted an article in Lexus News Articles, December 5, 2022, Lexus Owners Club posted an article in Lexus News Articles, November 21, 2022, Lexus Owners Club I guess I'm just too naive these days. Identify the two knock sensor inputs to the computer and clip the wire about 1 inch back from the back of the connector and attach the knock sensor overlay wire to the computer input wires. Genuine Lexus RX300 Knock Sensor Free advice. Upload or insert images from URL. The Commons Common Causes of P0325 are We changed the ignition on my Lexus RX300 and now my car wont start what can I do? Clear editor. MSRP and price exclude taxes, installation, shipping, and dealer charges. 2000 Lexus RX 300 does not shift to overdrive. It's FREE! The more components your mechanic has to remove or work around, the more you can expect to pay. CAM TIMING OIL CONTROL, . Join the Lexus Owners Club and be part of the Community. Thermostat housing from Advance Auto, dont remember brand, leaked after 4 months, original lasted 12 years. If you notice these things happening, you should have a certified mechanic from YourMechanic inspect why the car is slow to accelerate. Theres a couple guys on youtube who have great vids on diagnostics with the scan tools, schrodingers box and scanner danner. Hi,I have a 1999 Lexus RX 300 in great shape and runs wonderfully, except for a problem with an ongoing problem with the knock sensor.The CEL is on, but goes off at times too. 2023 CarGurus, Inc., All Rights Reserved. PLEASE VERIFY ANY INFORMATION IN QUESTION WITH A SALES REPRESENTATIVE. Many on these site tell you to replace the wiring harness (short one) to Knock sensors.Unfortunately it would mean complete tear down again. dash but no power tried to jump start but nothing I'm only 25 but I've lost so much faith in humanity already it just makes me want to crawl under a rock. After that I replaced the igniter coils, spark plugs, fuel filter, transmission fluid filter and speed sensors on the transmission. The benefits of electrification are not just about making cars cleaner and more fuel efficient. Pasted as rich text. Como lake. The further I drove the higher my Average Miles Per Gallon digital gauge went, to where it ended up at my getting an average of somewhere around 47 Miles per Gallon (can't find my pic). Alun Jones Customer : . Powered by Discourse, best viewed with JavaScript enabled, Just swap the harness for <$100 in parts and a risk and extra half day of work. It also highlighted some of the innovative design and engineering that will feature in its new generation models. 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I know what you mean regarding the rock to crawl under; unfortunately that will not help of Society. However this may not be the problem, need to replace solenoid to determine if anything else is wrong. If the knock sensor does detect a problem, it illuminates the check engine light and reduces overall engine performance to protect your vehicle. 1 Answer Would knock sensor codes cause my 2000 lexus rx300 to act like it's not getting enough fuel and the overdrive to not work? But one of the lesser-known sensors that serve a critical role in protecting your engine is the knock sensor. This is a knock sensor problem, not a detonation problem. Good luck on your project. You say you are only 26? Anyway, my vehicle is getting great milage in the City (as displayed), it idles great and runs like a new vehicle. 1 Answer 2000 lexus rx300 major problems Ok had a guy replace the knock sensor 2 for code p0330. DavidCM Try regular again once you get your knock sensors replaced. Pay a Mechanic over $1200-1500 to do guaranteed work. Our technicians have access to manufacturer-approved repair processes and Lexus genuine parts. The harness might be easily repairable. Still getting code p0330 and also p0171. The most common sign of a bad knock sensor is an illuminated check engine light. Spend about $500 in parts and fulld day work and get the guaranteed part (which might just be the same as part. Always fixes it. The code is 0325 which is saying the sensor is faulty, not that its just detected knock. They are oem. Some examples, I bought a Standard T-Series TPS sensor, failed just after 1 year, original lasted 20+ years. Ill probably just buy the harness and bypass hose to have on hand. Note: I have an extra car, So I can park this one while I work on it. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. a. Lexus RX300 Knock Sensor Replacement. Lesmo is a small community in Italy, having about 6,469 inhabitants. Knock Sensor to replace or not - Maintenance/Repairs - Car Talk Community I cant tell if you are going to do the work or if you are asking if you should buy the parts and pay someone to install them. I pulled the battery cables (both of them) and let my RX300 sit for 24 hours; went out actually about 36 hours later, reconnected the cables, reset the radio and drove off. This most likely means that the wiring harness is bad. 2000 Lexus RX 300 does not shift to overdrive.