Question about 1997 Nissan Pathfinder

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Is the knock sensor located under the lower intake or the upper on a 1997 nissan pathfinder

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Well, let me just say that you have to remove the intake manifold (the one with 6 metal pipes) to remove the knock sensor. It is not easy to remove the intake manifold on Nissans.

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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This is a repost on the knock sensor it is a 2002 Nissan Pathfinder Le 2 wheel drive V6 3500


You will find the knock sensor under the upper intake manifold towards the rear of the engine.

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Where is the knock sensor located at on a 97 nissan pathfinder?


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1999 Nissan Pathfinder 3.3L Knock Sensor Relocation (also ...

? 10:37
https://www.youtube.com/watch?v=2t1l68s8MmM
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Where is the camshaft position sensor located at on a 97 nissan pathfinder?


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I have a 2002 Nissan Frontier 3.3l v6 I'm about to change my knock sensor but I also need to change the camshaft position sensor but I'm not positive of where it is located it say bank 1??????


I'm willing to bet you have weak upper O2 sensors & there's nothing wrong with your knock sensor. But if you want, the knock sensor is under the lower intake manifold in the back that is located under the upper intake manifold also called the upper plenum. The lower intake manifold is wedged between the 2 heads and is an enormous pain in the azz to get to. You can check the O2 sensors with a scanning tool that will show you the upper sensors in bank 1 & 2 bouncing electrical current from about .5v to 5v several times per second. Anything less show weak sluggish sensors. The resulting lean mixture causes a knock. Change the sensors and the knock goes away and so does the engine light after you reset it. It took me 6 months to find this problem after replacing everything else including the 6mth old O2 sensors fresh from China. Now I have Bosch. PS The lower sensors went 2 weeks later & I was told any more problems it's the fuel regulator. 2001 Frontier 3.3l v6. No problems since, it purrs like a kitten. I'd suggest the Bosch, it's a special design for that 3.3l engine.

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Where is the knock sensor located?


it is under the lower intake manifold in the cylinder heads, there are two of them one for each cylinder bank

Jul 28, 2010 | 1997 Nissan Pathfinder

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My 1997 nissan pathfinder p0325 code came up on the scanner, and I need to change my knock censor on the car. I do not known were this part is located on the engine


very familiar with this. it is down under the intake manifolds in the valley of the engine. it is a single wire connector. you must remove the manifolds to replace this item. parts will run you about $100 and take about 3-6 hours depending on your compentance. parts needed are 1. knock sensor 2. intake(upper and lower plenum gasket)set 3. coolant. make sure you drain your radiator prior to doing this as to not allow a bunch of coolant to drain into the cylinders and cause hydrolocking. if this happens you must remove the spark plugs and rotate the engine to spray out the liquid out of the cylinders then reinstall.

Dec 24, 2009 | 1997 Nissan Pathfinder

1 Answer

How to replace a knock sensor on nissan pathfinder 1998


It's located deep in the valley! Under the "LOWER intake manifold". copy and paste this link in your browser, or try clicking on it. It may be helpful to you.

http://x.nissanhelp.com/forums/pathfinder/7890-3-3l-knock-sensor-relocation.html

I didn't find this link until after I had already disassembled my truck. This is the hardest job that I've taken on thus far, hope I can put it all back together properly. I changed the gaskets on the valve covers since I had everything off.
To answer your question: It's under your lower intake manifold, so it's a hard job!

Oct 15, 2009 | 1998 Nissan Pathfinder

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Knock sensor 1996 v6 3.3 nissan pathfinder


The Crankshaft Position Sensor is located: Under hood, driver side, front engine area, mounted rear of crankshaft pulley
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Need to find location knock sensor for replace


I know that the knock sensor for a 1998 Quest with a 3.0 is located on the passenger side of the engine compartment under the intake manifold. You should be able to find the wiring and connector next to the intake manifold. To access the sensor, you have to remove the upper and lower intake manifold. The sensor is on the block between the heads. Hope this helps.

Oct 05, 2008 | 2002 Nissan Quest

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