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Knock Sensor

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Old 04-24-2007, 08:08 PM
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Knock Sensor

just a quick question.. ebay lists them 65 shipped... published auto parts websites lists upper 100's.. ??? ugh i hate ebay.. they are very misleading and tend to "lure" you in with prices.. is there such thing as a "cheap" oem knock sensor? if its advertised OEM maxima knock sensor.. is it the same thing as the published sites?

http://cgi.ebay.com/ebaymotors/NISSA...QQcmdZViewItem

thanks
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Old 04-24-2007, 08:11 PM
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This one is OEM and tons of members have bought it. There nothing to worry about.
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Old 04-24-2007, 08:12 PM
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much appretiated :-)
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Old 04-24-2007, 08:36 PM
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i want one too but cant buy with credit card, what to do what to do ????
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Old 04-24-2007, 08:47 PM
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Originally Posted by andrei3333
i want one too but cant buy with credit card, what to do what to do ????
http://autopartsonlinecanada.com/

get paypal link to a separate bank account
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Old 04-25-2007, 08:24 AM
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From the looks of the ad, it looks legit, I would buy it.


Originally Posted by andrei3333
i want one too but cant buy with credit card, what to do what to do ????
Go buy a prepaid Visa card
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Old 04-25-2007, 05:33 PM
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Originally Posted by midnight0045
just a quick question.. ebay lists them 65 shipped... published auto parts websites lists upper 100's.. ??? ugh i hate ebay.. they are very misleading and tend to "lure" you in with prices.. is there such thing as a "cheap" oem knock sensor? if its advertised OEM maxima knock sensor.. is it the same thing as the published sites?

http://cgi.ebay.com/ebaymotors/NISSA...QQcmdZViewItem

thanks
you sure your knock sensor is even bad?
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Old 04-26-2007, 08:17 AM
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I bought one from that seller on eBay...it is legit. Brand new, OEM quality, OEM part #, ALL LEGIT.
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Old 06-05-2007, 01:30 PM
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Just got mine from the same link.
http://cgi.ebay.com/ebaymotors/ws/eB...9421133&rd=1,1
I ordered on sunday and just got it in the mail.1 day shipping FTW. By the looks of it, it looks OEM NISSAN, will try to install b4 starting work today. Here is a pic of it.
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Old 06-07-2007, 01:56 PM
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Relocating the Knock Sensor

Ok! So I know have the knock sensor from ebay (for around $60). Called up a few mechanics to do the installation and most say that they don't work with parts supplied by the customer. A few do, but they are quoting in the $200s for replacing the knock sensor since it is under the intake manifold.

Called the dealer just to check on their charges. The dealer says that they can just disconnect the existing KS (without removing it) and install the new KS in a diffenent place in the engine block so that there is no need to take out the intake manifold. ($280 including a new KS)

This seems like a good idea. Has anyone tried relocating the KS to a more accessible place? Any suggestions on where? Tried to get some info from the dealer but he is not giving out much info.
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Old 06-07-2007, 03:12 PM
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it isn't that hard to change the sensor. just need a 12mm socket and a long extension. it just took me about 1/2 hour to change mine. the hardest part is puttin it back in. i did it without removin any other thing on the engine.
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Old 06-07-2007, 06:47 PM
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Originally Posted by ucmet011
it isn't that hard to change the sensor. just need a 12mm socket and a long extension. it just took me about 1/2 hour to change mine. the hardest part is puttin it back in. i did it without removin any other thing on the engine.

I have to replace mine too and you made it seem easy. Do you have any directions as far as where it is?
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Old 06-07-2007, 07:02 PM
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Relocating seems a much easier alternative. Just leave the original in place, just disconnect the harness, connect the new KS and mount it at a more accessible place in the block. I'm just struggling with whereelse to mount it. Seems that the dealers are taking this approach these days.
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Old 06-07-2007, 07:41 PM
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Originally Posted by sarathyj
Relocating seems a much easier alternative. Just leave the original in place, just disconnect the harness, connect the new KS and mount it at a more accessible place in the block. I'm just struggling with whereelse to mount it. Seems that the dealers are taking this approach these days.
Your kidding yourself I think.. it takes 20mins or less to remove and add new KS in the Factory location. Your trying to 2nd guess Nissans R&D and put it in another location which may not give accurate readings and may just end up retarding not advancing your time..

Don't re-invent the wheel, just sockets and extensions + 20mins=Job done!
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Old 06-07-2007, 08:56 PM
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Originally Posted by al7601
I have to replace mine too and you made it seem easy. Do you have any directions as far as where it is?
it is located under the intake manifold. i just used a long *** extension with a swivel end and a 12mm socket and i was able to get my off easy. then i swapped them out. then i placed the new sensor over the old hole. i place a small piece of cardboard in the socket to hold the screw in there and i put the screw in the hole and keep turn till it caught the screw hole and tighten itself up. the hard part was gettin the the into the new sensor and tighten it. that took me a little bit.
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Old 06-07-2007, 08:59 PM
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Originally Posted by sarathyj
Ok! So I know have the knock sensor from ebay (for around $60). Called up a few mechanics to do the installation and most say that they don't work with parts supplied by the customer. A few do, but they are quoting in the $200s for replacing the knock sensor since it is under the intake manifold.

Called the dealer just to check on their charges. The dealer says that they can just disconnect the existing KS (without removing it) and install the new KS in a diffenent place in the engine block so that there is no need to take out the intake manifold. ($280 including a new KS)

This seems like a good idea. Has anyone tried relocating the KS to a more accessible place? Any suggestions on where? Tried to get some info from the dealer but he is not giving out much info.
^ horse$hit, no Knowledgeable nissan service tech will tell u to change the desing of the VQ, there is a good reason nissan stuffed this sucker down in there, its the centre of the engine (more or less) and its the best place to be if u wanna sense knock. i think that nissan tech who u spoke to is on crack or just lazy plain and simple.

read the FSM, any nissan dealer will read the EXACT same FSM if u get the work done there, it tells u to remove the UIM so u can torque down the KS properly, the bloody method every one else on this site is using (including me this coming saturday) is wrong none the less, its impossible to get it torqued down correctly, so what happens ? the sensor is either more sensitive then it was designed to be (too tight) or not sensitive enough (not tight enough). its a hit or miss kinda thing.

for those who have no patience, knowledge, money or whatever else it takes to pull the UIM and do it right, this is the only way to replace it. Please do not relocate it anywhere!
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Old 06-07-2007, 09:04 PM
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my engine wont start now so i have no clue if the knock sensor it working
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Old 06-07-2007, 09:08 PM
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KS has nothing to do with ur engine not starting
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Old 06-07-2007, 10:13 PM
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well at first the car wouldn't fire which a KS mite be at fault. but now it wont turn over at all. which i think it is the ignition switch. but we was able to bypass it with a remote ignition switch and while usin startin fuild, it back fired and blew up in my intake and ****ed up some ****. anyone have any clue why my car doesn't want to fire?
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Old 06-07-2007, 10:48 PM
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huh ?

re-read ur post and see if it makes sense, then retype it
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Old 06-07-2007, 11:45 PM
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you put starter fluid in your engine? You're kidding right?
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Old 06-08-2007, 07:31 AM
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huh

Ummmmm WTF.......
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