knock sensor going off
Registered User
Joined: May 2023
Posts: 54
Likes: 23
From: Metro ATL area
These guys are your friend 
WAY cheaper than any local dealer near me. Locals wanted the same when I needed one. Got it for half that at the link below. Same for most OEM parts in the US.
https://www.hondaautomotiveparts.com/oem-parts/honda-ignition-knock-detonation-sensor-30530prc003
WAY cheaper than any local dealer near me. Locals wanted the same when I needed one. Got it for half that at the link below. Same for most OEM parts in the US.https://www.hondaautomotiveparts.com/oem-parts/honda-ignition-knock-detonation-sensor-30530prc003
Ordered the Honda part just now. Yeah, I could have tried the $60-80 part and taken it back if I had issues but I've kinda always been a "Buy once Cry once" kinda guy... I'll stay with that.
Thank you!
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Last edited by Big Swole; May 20, 2026 at 06:56 AM.
Registered User
Joined: Jul 2023
Posts: 203
Likes: 95
About two years ago I remember buying it from Impex/Amayama.
I purchased an NTK knock sensor first from RockAuto, assuming it was an OEM. It did not work.
I do suggest following the wiring issue but I remember my code also being P0325.
I purchased an NTK knock sensor first from RockAuto, assuming it was an OEM. It did not work.
I do suggest following the wiring issue but I remember my code also being P0325.
Registered User
Joined: May 2023
Posts: 54
Likes: 23
From: Metro ATL area
Well since mine came out in two pieces I went ahead and ordered the part. If the OEM Honda part doesn't fix the CEL, then I'll be forced to so the wiring check.
Fingers crossed for easy placement of part and fixed.
Registered User
Joined: May 2022
Posts: 26
Likes: 15
I had issues with 2 different aftermarket knock sensors, one from rockauto and from ballade. Both had the check engine light come on after a week or two. Ordered an OEM one from amayama and haven't had any issues since.
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