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P0330 Knock Sensor, 15 min. Hack Repair...

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Old 04-26-14, 03:23 PM   #61
Bobster999
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Quote:
Originally Posted by homernlani View Post
Hello all

Bobster999, I got the inspiration from your post but I dont want to alter those wire near the ECU so this is what I did.

This is my first time to contribute a post/reply but long time lurker. I had this P0330 code too. This code detects knock on your bank 2 w/c is the radiator side

I did it the hardway by changing the knock sensors, after putting back everything, the code came back in 10min of test drive. I changed all sensor, harness and gasket. SO my next option is to hack this P0330 code AS I DONT WANT TO REPEAT THE WHOLE PROCESS of opening the top of the engine. Since I have the old harness I did the splicing at the harness end and now I dont have code, the car can go overdirve again,,,, but I can hear knocking/pinging/rattling in the engine when it needs more gas or when I accelerate

I read some where that knocking is bad for the engine and the way to remove knocking is to increase the octane level of the gasoline you put in the gas tank. I already am using 93 octane so now I add NOS octane booster and/or 108 octane booster, every time I fill up,,, and knocking is diminished but I can still hear it once in a while when I enter the expressway vaguely.

My verdict is that the knock sensor is detecting a knock in your engine that is why we got the code to begin with, replacing/hacking the sensor might help your situation but the knock is still there. and you might need a mechanic to fix this eventually by adjusting/replacing the valves or piston or something else. I am not a mechanic so I dont know. I dont want to buy a new car either
If what you hear is actually the valves from pre ignition, then you would be the only one. That makes me think that thats not your real problem. Think about it, why only you? I drive mine however i want to with no noise. And I only use 87 octane.
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Old 04-26-14, 04:58 PM   #62
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Hello Bobster999

You are right, I could have other problems than the actual P0330 code. Hey the car is going overdrive, and the code has not comeback, so its working for me.

Thanks for the hack method BTW. No argument there and no complaints either. Thanks again.
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Old 05-03-14, 08:18 PM   #63
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Holy Crap! This actually seemed to work! I had the follow codes: P0171, P0330, P1135, P1351, P1354 Now I only have P0171. The car is running so much better now and it will shift into O/D! Thanks a lot Bobster! I owe you a beer!
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Old 07-25-14, 09:12 PM   #64
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Old 07-28-14, 04:40 AM   #65
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You can't beat great pictures!!
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Old 08-18-14, 02:45 PM   #66
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I also have a 99 Lexus RX300 was the wire right next to the clear one black or green
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Old 08-18-14, 05:13 PM   #67
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I also have a 99 Lexus RX300 was the wire right next to the clear one black or green
Sorry didn't see these pics before my post...got it
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Old 09-11-14, 06:43 PM   #68
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I finally got around to doing this on my RX, I've had it sitting in the back of my garage for months because of the issue. Fixed it today and it drives like a new car.

Thank you!
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Old 09-21-14, 07:13 PM   #69
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I have a 2000 ES300, and this works! As far as I can tell, runs as well as ever.

Thanks to Bobster999 and cwsteini

As a note to ES300 users, the location of the pin is very similar to the ones pictures shown above, but the knock sensor wires are both white/clear (and adjacent to one another). For the specific location, you should refer to a repair manual. In my particular car, the wire for knock sensor 2 was indicated by red tape. To be more specific, on the row on the far side of the clip of the pin you are looking for, there will be two white wires between five and three wires on either side (same row). The white wire to the right of the five wires will be for knock sensor 1. The white wire to the left of the three wires will be for knock sensor 2.

Cheers!
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Old 10-11-14, 05:45 PM   #70
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Quote:
Originally Posted by Bobster999 View Post
This is for the people that don't want to pay big money to replace a bad knock sensor. I got the dreaded P0330 code saying the #2 knock sensor circuit was bad. I was driving 46 miles each way to work and had to stop and reset the light before I could there because she went in limp mode and I would lose overdrive. I just had to remove all of the same stuff to replace my leaking valve covers just a couple of months ago. I did not want to do that again. The ecu is looking for a small voltage between a set range to decide if that is normal and won't throw a code as long as it sees that voltage for each sensor. So I decided that since there are 2 sensors, and only one is bad right now, I will just feed both sensors from the good #1 bank sensor and the ecu will be happy. So i cut the wire feeding the #2 sensor and spliced it into the #1 sensor at the ECU. Anyway, it took me 15 mins and NO money to fix it. She drives as good as ever and no more CHECK ENGINE LITE. Im not telling anyone to do it, im just telling you what i did so you do what you will or won't. Don't Hate!
The picture shows you hold a connector but it does not look like from ECU since ECU has all its connectors pluged in. Can you tell me which connector I need to pull out? Thx
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Old 10-17-14, 05:10 PM   #71
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Bobster999, special thanks for figuring out this knock sensor problem. I did it yesterday but it didn't work and i could not understand why but did not give up tried it again but made sure my connetion were done right. Well my 1995 ls400 has no more engine light and it pass emission with flying colors today.
Thanks
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Old 12-02-14, 02:04 PM   #72
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Default which wires do I use on a 96 es300

Quote:
Originally Posted by Bobster999 View Post
This is for the people that don't want to pay big money to replace a bad knock sensor. I got the dreaded P0330 code saying the #2 knock sensor circuit was bad. I was driving 46 miles each way to work and had to stop and reset the light before I could there because she went in limp mode and I would lose overdrive. I just had to remove all of the same stuff to replace my leaking valve covers just a couple of months ago. I did not want to do that again. The ecu is looking for a small voltage between a set range to decide if that is normal and won't throw a code as long as it sees that voltage for each sensor. So I decided that since there are 2 sensors, and only one is bad right now, I will just feed both sensors from the good #1 bank sensor and the ecu will be happy. So i cut the wire feeding the #2 sensor and spliced it into the #1 sensor at the ECU. Anyway, it took me 15 mins and NO money to fix it. She drives as good as ever and no more CHECK ENGINE LITE. Im not telling anyone to do it, im just telling you what i did so you do what you will or won't. Don't Hate!
Do u have a video or do u know which wires I use on the 96 es300 . I need to do this to pass emissions.
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Old 12-03-14, 01:27 PM   #73
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Do u have a video or do u know which wires I use on the 96 es300 . I need to do this to pass emissions.
No
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Old 12-07-14, 05:49 PM   #74
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I finally did this too. I cut the black and used a quick tap to join it to the clear
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Old 12-07-14, 05:49 PM
 
 
 
 
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1999, 300, cost, es, es300, hack, knock, lexus, location, ls, p0330, piggybacking, po330, replacement, sensor, sensors

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