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displaying posts 1 to 13 of 13
| Author | Subject: Knock sensor |
 woody.
Senior User  Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #1
Hi all,Just had my car put on a snap-on code reader thing and it had a fault with the knock sensor. I've had a search but couldn't find where the knock sensor is located. Anyone know where it is and how much they are from pug? Thanks |
 Posted 23rd Feb 2014 at 18:44
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pete-gti
Seasoned Pro  Location: Kent Registered: 15 Feb 2009 Posts: 1,297 Status: Offline |
Post #2
Its behind the ecu red buttom |
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Posted 23rd Feb 2014 at 19:23
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Niall
Seasoned Pro  Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #3
pete-gti wrote: Its behind the ecu red buttom  Its on the block, just below the HG line under the inlet manifold. Has a fly lead coming off of it with a dark green plug. Not sure on cost. |
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Posted 23rd Feb 2014 at 20:15
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pete-gti
Seasoned Pro Location: Kent Registered: 15 Feb 2009 Posts: 1,297 Status: Offline |
Post #4
I was getting it mixed up lo |
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Posted 23rd Feb 2014 at 20:27
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JWP EFi
Turbo Legend!  Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #5
New knock sensor is approx £65 from Peugeot. Or just fit a good used one. Easy to change, undo multiplug, sensor is fixed to front face of black with 13mm head bolt |
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Posted 23rd Feb 2014 at 20:29
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woody.
Senior User Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #6
Awesome thanks guys, I take it I'll have to take the inlet off to get to it? |
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Posted 23rd Feb 2014 at 22:16
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #7
You dont have to but access is very awkward with it in place. Bear in mind if you do take inlet off then youll more than likely need a new inlet to head gasket.If your clever about it use a wobble bar and extension or i find a flex head ratchet spanner to be the best, take your time its perfectly doable without removing manifold |
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Posted 23rd Feb 2014 at 22:20
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woody.
Senior User Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #8
No worries, thanks for the advice. I'll probably just whip the inlet off and have a looksie. Hopefully it'll be the end of all the stalling issues/hesitation. I've changed every other sensor! Thanks again |
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Posted 23rd Feb 2014 at 22:53
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #9
Tbh mate i dont think it will cure your stalling issues. Have you tried unplugging the power steering sensor (blue plug down under inlet, mounted on high pressure pipe) |
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Posted 23rd Feb 2014 at 22:59
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woody.
Senior User Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #10
Yeh I've done everything lolNew lambda New coolant temp sensor New map New TPS New power steering sensor New ICV (twice) Took it out for a drive with a snap on diag hooked up with the live data etc and after 5mins the only error code that came up was knock circuit fault and then it started stalling etc not being able to idle. The only other thing I haven't changed is the coils, but am doubtful it's those. |
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Posted 23rd Feb 2014 at 23:14
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woody.
Senior User Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #11
Just had a look on Peugeot servicebox and Citroen servicebox. Looks like the sensors are slightly different.Peugeot part number is 5946 24 @ 70ish quid Citroen part number is 5946 23 @ 40ish quid Anyone know if the Citroen one will fit a 6? |
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Posted 24th Feb 2014 at 13:34
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woody.
Senior User Location: London Registered: 18 May 2009 Posts: 799 Status: Offline |
Post #12
Anyone know if the Citroen and pug part are interchangeable? |
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Posted 26th Feb 2014 at 13:32
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,796 Status: Offline |
Post #13
phone an autofactors with that part number like ECP or Andrew Page, that'll usually tell you. but if them part no's are the same i'd take a gamble personally. google images looks to be your best bet in showing them both being the same________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 26th Feb 2014 at 14:31
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