PO325 Knock Sensor Bank 1

Jan 25, 2011 | 12:44 PM

acoles1619

Thread Starter

Newbie

Joined: May 2008

Posts: 10

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From: California

2002 C230 Kompressor

PO325 Knock Sensor Bank 1

Hey guys,

So check engine light came on yesterday. Code PO325 knock sensor bank one. I searched the forum and found something similar for the M272, but mine is an M111. Is this an easy DIY? Any help is appreciated, and thanks.

Jan 25, 2011 | 01:14 PM

ontmiss

Senior Member

Joined: Jan 2010

Posts: 283

Likes: 2

From: Mississauga, Ont.

2007 C280 4matic Avantgarde

BTW update you profile, like year of the car and......

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Jan 25, 2011 | 01:51 PM

acoles1619

Thread Starter

Newbie

Joined: May 2008

Posts: 10

Likes: 0

From: California

2002 C230 Kompressor

Hey thanks a lot, just updated my profile too, lol. So I take it the car only has the one knock sensor? It doesn't look too hard to get to, hopefully I am not mistaken.

Jan 25, 2011 | 01:55 PM

ontmiss

Senior Member

Joined: Jan 2010

Posts: 283

Likes: 2

From: Mississauga, Ont.

2007 C280 4matic Avantgarde

Yes, has only one bank and one knock sensor.

Jan 25, 2011 | 03:06 PM

acoles1619

Thread Starter

Newbie

Joined: May 2008

Posts: 10

Likes: 0

From: California

2002 C230 Kompressor

So just to clarify, is the bank something that needs to be replaced? Or is it just the knock sensor? I am not very mechanically inclined. Apologies. Thanks again.

Jan 25, 2011 | 03:16 PM

LILBENZ230

MBWorld Fanatic!

Joined: Jul 2008

Posts: 8,384

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2019 G70 6MT & 2022 Ford Maverick XL

The bank is where the cylinders reside, for lack of a better way to explain it. You don't need to worry about it.

In a V6 engine, there are two banks of cylinders. \ is one bank, / is the other, and the V is so many degrees - like a 60 degree V6 is the angle of the V or a 90 degree V6..

Make sense? The 4 cylinder only has one "bank".

Jan 25, 2011 | 06:26 PM

acoles1619

Thread Starter

Newbie

Joined: May 2008

Posts: 10

Likes: 0

From: California

2002 C230 Kompressor

Ah got it. Thanks for all the help guys. Hopefully it's not too hard to replace, or expensive.

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Jul 8, 2011 | 08:01 AM

Glyn M Ruck

Super Moderator

Joined: Jun 2008

Posts: 19,942

Likes: 192

From: Llandudno, Cape Town, South Africa

late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires

Did you delete the old code?

Dec 18, 2018 | 10:39 PM

#10

rostrat

Newbie

Joined: Nov 2012

Posts: 3

Likes: 0

From: Reno, NV

2002 C230

Could you take some good pictures showing where the knock sensor is? I can't find it. Also, please give step by step instruction as to how you've replaced it. What's the easiest way? Would greatly appreciate it. My car is C230

Last edited by rostrat; Dec 19, 2018 at 12:58 AM.