Aftermarket Knock Sensors
10-19-14, 11:34 AM
#1
Aftermarket Knock Sensors
I need to replace my Knock Sensor Harness, while im down there im thinking about just replacing my KS as well anyways. Does anybody have any input on aftermarket KS from ebay for like $30? My KS are good, just the wire probably has a split in it and isnt giving a reading to my ecu. I know this because the light comes on right away when i turn the car on just like my 02 sensor code because i don't have my downstream one plugged in.
OE Part Number (Sewell Lexus): 8961512040
Bank 1: Driver Side
Bank 2: Passenger Side
Bank 1 wire color: GRAY
Bank 2 wire color: BLACK
Bank 1 Code: P0325
Bank 2 Code: P0330
Also there are two types of knock sensors, Nippon Denso and Matsuhashi i believe was the other, the one i pulled from my car was Matsuhashi hence the M on the sensor and the one i received was Nippon Denso due to the ND engraved on it.
OE Part Number (Sewell Lexus): 8961512040
Bank 1: Driver Side
Bank 2: Passenger Side
Bank 1 wire color: GRAY
Bank 2 wire color: BLACK
Bank 1 Code: P0325
Bank 2 Code: P0330
Also there are two types of knock sensors, Nippon Denso and Matsuhashi i believe was the other, the one i pulled from my car was Matsuhashi hence the M on the sensor and the one i received was Nippon Denso due to the ND engraved on it.
Last edited by SC4Paulo; 11-16-14 at 12:27 AM.
10-27-14, 05:14 AM
#3
I just put a set in my GS4 - I have only driven a short while but they do not throw codes.
I have pulled the intake manifold so many times now I don't mid if they die soon, I'll swap them again.
The thing is - why would they die? I mean people use "jobber" sensors all the time - and these ones fit so many Toyotas
I have pulled the intake manifold so many times now I don't mid if they die soon, I'll swap them again.
The thing is - why would they die? I mean people use "jobber" sensors all the time - and these ones fit so many Toyotas
10-28-14, 02:20 AM
#4
when you replaced your KS was there a removable wiring harness to them? or is it straight from the actual engine harness? im having a hard time locating the part number for the harness that goes to them and where'd you get your knock sensors from if i may ask? I have been told that relacing the KS with aftermarket ones didn't fix there problem. CEL was still on.
11-02-14, 02:49 PM
#7
Pole Position
they are located down below the intake manifold, next to the starter. check out the starter repair diy's, there you will find the pictures of the knock sensors.
replacement is self-explanatory, once reached.
replacement is self-explanatory, once reached.
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11-15-14, 12:23 PM
#9
Replaced the knock sensor twice now, pulled the manifold off again -___- I'm pretty sure i have just found my problem. Stopped by a shop i deal with at work and asked about what it could be, after going through the basics again on which was bank one and bank two double checking on ALLDATA and the harness to the ECU/ECM from the knock sensors we had come to realized that (for those who could use this info):
Bank 1: Driver Side
Bank 2: Passenger Side
Bank 1 Wire color: GRAY
Bank 2 Wire color: BLACK
all according to ALLDATA
What i have concluded when i had pulled my knock sensors out were, my black wire is on Bank 1 and gray wire on bank 2 thus my true bank 1 was actually the bank 2 sensor. Someones most likely replaced these sensors before since I do have 232K on the car now and the motor has been rebuilt at 180k.
Bank 1: Driver Side
Bank 2: Passenger Side
Bank 1 Wire color: GRAY
Bank 2 Wire color: BLACK
all according to ALLDATA
What i have concluded when i had pulled my knock sensors out were, my black wire is on Bank 1 and gray wire on bank 2 thus my true bank 1 was actually the bank 2 sensor. Someones most likely replaced these sensors before since I do have 232K on the car now and the motor has been rebuilt at 180k.
Last edited by SC4Paulo; 11-16-14 at 12:19 AM.
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gsean400
GS - 2nd Gen (1998-2005)
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