I’ve got a 2000 Lexus ES300 3.0L EFI DOHC 6cyl with 198k miles. Its Not The Oxygen Sensor I Replaced Them Both. Replaced both sensors and wiring harness. And a VSC, Trac fault code is a default condition anytime there is a CEL. Asked on Aug 12. While you are at it, there is a short coolant bypass hose sitting in the same spot, replace it. Symptoms. There may also be other symptoms. It senses engine knocking using a piezoelectric element. The check engine light came on as well as the Trac light. A code P0330 most likely means one or more of the following has happened: The "B" knock sensor is faulty and needs to be replaced Is There Are Compu. Search "es300 knock sensors" on the web and you will see hundreds and hundreds of postings by frustrated owners. A knock sensor 2 code is a clear indication of degraded engine performance. You may notice drivability problems including a lack of power and perhaps some hesitation. ... 2000 Lexus Es300 Knock Sensor Replacement - Location & Repair. If you plan to do this yourself it is about 1 to 2 hours. No codes other than P0330 Knock sensor register on the Autozone code reader and my mechanics Snap-on code reader. Its not the oxygen sensor I replaced them both. Replacing the knock sensor usually takes care of the problem. There are two knock sensors for the front and rear pistons banks. 2000 ES300 I have had a the check engine light and trac off light come on simultaneously. Car radio intermittently goes off then comes back on and when that happens dash lights will sort of flicker and if headlights are on, they will turn off then comes right back on, and the car will start to hesitate or sputter during this. Causes. Two codes were found: P0325 (Knock Sensor 1 Circuit Bank 1) and code P0330 (Knock Sensor 2 Bank 2). Need to remove the upper and lower air intake manifold. Other knock sensor related DTC codes include P0325. The lights will occationally go out, but then return later. And keep in mind that the knock sensor code may not mean the problem is with the knock sensor … Question: 2000 Lexus Es300 Knock Sensor Problem My Check Engine Light Is On My Lexus ES300. Problems with the knock sensor will not cause an engine performance problems. Check engine light on. The little pig tail cable which connects both knock sensors to the wire harness is said to cause a big majority of the problem due to the plastic getting hot and brittle, falling off and shorting to the engine. SOURCE: 92 lexus es300 knock sensor. I understand both of these sensors connect to the same “Y” shaped wiring harness located under the intake manifold. 2000 Lexus Es300 Knock Sensor Replacement - Location & Repair. Other Engine And Engine Cooling related problems of the 2000 Lexus ES300 Engine Failure problems ... P0330 LEXUS Description The knock sensor is attached to the cylinder block. Car was throwing knock sensor codes P0325 and P0330. My check engine light is on my Lexus ES300. Fix the engine problem and the Trac code will also go off. A 2000 lexus es300 and i didn't pass the Smog because i have knock sensors error codes, "P0325 Knock Sensor 1 CKT Malfunction and P0330 Knock Sensor 2 CKT Malfunction." So I have a lexus es300 2000 and a month ago the check engine light came on so I had it diagnost by a shop and it came out to be a "knock sensor malfunction" so about last week I went to a local car parts shop and bought 2 brand new sensors for about $350.