2002 nissan frontier knock sensor location

Re: Knock sensor relocation.. Post by Z-owned » Sun Dec 01, 2013 5:18 pm. Relocating it is quite popular until the ability to replace it back to the proper location is available. Most relocation kit's put it on the #6 cylinder which is the fist to detonate so it still is effective. 338,000 miles and counting !!

knock sensor replacement on a Nissan Frontier 3.3 VG33E2,325 Posts. Discussion starter · #122 · Nov 11, 2009. Nissan put the sensor in the best place to detect knocks. However, it's in the worst place for maintenance. Relocating it is cheaper and IMO is the send best place to detect knocks. If you have an Super Charger I do not recommend you placing on the SC.Where is the knock sensor located on the engine (2002 Nissan Frontier, supercharged)? One person told me it was under the manifold. Another said it was on the passenger side of the engine. ... My 2003 Nissan Frontier S/C has a knock sensor code that cuases my Supercharger to go into bypass mode and sound like someone dumped gravel in my engine.Here's a link I found... you can download your factory service manual as a compressed .pdf - the manual will tell you how to adjust the TPS by measuring the voltage at the ECU. Nissan Service Manuals. 1990 Infiniti Q45 AKA "Q2". 2005 Infiniti G35 Sedan A/T. 2004 Nissan Frontier King Cab M/T.Mar 16, 2014 · 172 posts · Joined 2013. #3 · Mar 17, 2014. thatyellow -. The knock sensor is located under the lower intake manifold on top of the engine block. There is no access to it without removing the upper and lower intake manifolds. Some people have reported that a shop has wanted to charge $800+ to do the work. 172 posts · Joined 2013. #3 · Mar 17, 2014. thatyellow -. The knock sensor is located under the lower intake manifold on top of the engine block. There is no access to it without removing the upper and lower intake manifolds. Some people have reported that a shop has wanted to charge $800+ to do the work.Nissan Pathfinder Knock Sensor. Part Number: 22060-2A000. Vehicle Specific. $250.71 MSRP: $334.28. You Save: $ 83.57 ( 25%) Check the fit. Add to Cart. Product Specifications. Warranty: This genuine part is guaranteed by Nissan's factory warranty.The Nissan Frontier is a small pickup truck that debuted in the US in 1998 and offers a lot of value for your money. ... "I have a 2002 sc 4×4 fronty. automatic. Knock sensor is without a doubt bad, all signs that people are saying are 100 percent happening to me. Car is a dog on the highway. no power. service engine soon light is up, 88 ...

Where is the knock sensor located on a 2001 Nissan Frontier 4-cylinder? Updated: 10/23/2022. Wiki User. ... Where is the knock sensor located on a 2001 Nissan Frontier 4-cylinder?Where is the knock sensor located on the engine (2002 Nissan Frontier, supercharged)? One person told me it was under the manifold. ... Looking for the location and replacement procedure for knock sensor 2002-2003 Nissan Maxima GLE 3.5 liter. It is a different part than the 2002 3.0L (found lots of stuff on that one!) ...SOURCE: 2002 Nissan Frontier timing belt. Timing belts are found on the 3.3L engines, timing chains are on the 2.4L engines. The 2002 3.3L Timing belt is changed at 105K during the major service. This service can run over one thousand dollars.P0325 Knock Sensor 5 minute replacement Nissan Altima 1998-2001Helpful if you have this socket set https://amzn.to/2kefdl5Knock Sensor https://amzn.to/2lfjw...Dec 3, 2010 · Knock sensor is without a doubt bad, all signs that people are saying are 100 percent happening to me. Car is a dog on the highway. no power. service engine soon light is up, 88 thousand miles, I ordered a 2002 nissan frontier SC knock sensor from rockauto for like 130. Reasons For Showing Code P0328 Nissan Frontier. Possible Symptoms You May Face. Faulty or damaged knock sensor. The pinging or banging of an engine. Problem with the knock sensor harness. The engine may run rough idle, loss of power or decreased fuel economy, and engine knocking. Dirty or corroded engine.

The crankshaft position sensor (OBD) is located on the transmission. housing facing the gear teeth (cogs) of the flywheel or drive plate. It. detects the fluctuation of the engine revolution. The sensor consists of a permanent magnet, core and coil. Looks to be on the driver's side towards the top (at about 11 o'clock).Dealer said knock sensor was bad and replaced it. Light remains on so they change both O2 sensors. Light is still on and now they say the wiring harness is bad to the O2 sensors with intermittent readings. Sounds like a bunch of BS and they want $2400 for a harness replacement after the cost of the other repairs.Duralast Ignition Knock (Detonation) Sensor SU5749. Part # SU5749. SKU # 416413. Limited-Lifetime Warranty. Check if this fits your 2003 Nissan/Datsun Frontier. PRICE: 248.99. Thread Size: None. Connector / Terminal Configuration: Female Connector / 2 Male Blade. $24899.Harness Engine SUB. Harness SUB, Knock Sensor. 2003 Nissan Frontier XE LWB 3.3L V6 AT 2WD. Genuine Nissan Part - 24079-F4503 (24079F4503) ... HARNESS-SUB,KNOCK SENSOR. Fits Frontier, Xterra. 33 people have looked at this part recently Diagrams and Kits; ... 2002 - KA24DE 2.4L ENGINE 2001 - 2004 - KA24DE 2.4L …Here is the technical information on the ECTS: The Engine Temperature Sensor monitors engine temperature via changes in coolant temperature. It is located at the passenger's side of the intake manifold. The Engine Temperature Sensor is a negative temperature co-efficient thermistor. The greater the temperature the lower the resistance.

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Shop 2007 Nissan Frontier Ignition Knock (Detonation) Sensor. Engine control module. ENGINE, PETROL, SERIES - OEM Nissan Part # 22060-7S000 (22060-95F0B, 22060-AU010, 220607S000)Just type in on pc, 02 nissan frontier 4x4 vg33 to insall idle air control valve. I think the manifold has to come off to get to valve, it is under manifold. When page comes up, just click on nissan part 2 to watch the video on the valve. God-Bless you and your family! The video shows the removal and instalation.Even back then, the relocation was pretty well established as a cheap fix for the problem. For those not familiar with this, the knock sensor is located under the intake plenums on the back side of the engine. It's about a $25 part, but $800 of labor at a shop because of having to remove the upper and lower plenums.Sensor used in the video: https://amzn.to/3flGJYmDon't do this Knock sensor hack P0325 This video was performed on a 2000 Nissan Pathfinder.Cameras used to m...P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Nissan Frontier as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.

Nissan Mechanic: eric. Hi, Ok, unfortunately the only way to access the knock sensor on this engine is to remove the intake manifold. here are directions: Drain the cooling system. Relieve the fuel system pressure. Remove or disconnect the following: Negative battery cable. Air intake duct.Diagram of a crank position sensor in a 2002 Nissan Frontier? location of a crank shaft sensor on a nissan frontier 2002. ... What gaskets are needed to replace the knock sensor on a Nissan Frontier?The front oxygen sensors test the oxygen levels in the exhaust and report back a voltage to the ECU. The ECU takes that voltage and changes the output of gas into the cylinders. If the O2 sensor gives a lean feedback then the ECU will output a richer mixture and vise-versa. The voltage changes constantly and the more it changes within …Re: Knock sensor relocation.. Post by Z-owned » Sun Dec 01, 2013 5:18 pm. Relocating it is quite popular until the ability to replace it back to the proper location is available. Most relocation kit's put it on the #6 cylinder which is the fist to detonate so it still is effective. 338,000 miles and counting !!Diagram for knock sensor on 1998 Nissan frontier. Posted by Anonymous on Aug 17, 2013. rwc120. 341 Answers. SOURCE: location of knock sensor. Knock sensors can be difficult to locate because there usually buried under intake or exhaust manifolds and misc. engine wiring and plumbing. Knock sensors need to hear an engine knocking noise, therefore ...DIYer Steve Hoefer has been hard at work making every 6 year old's dream come true: A device that unlocks your door whenever someone seeking entrance taps out the secret knock. DIY...Major symptom was lack of acceleration. When I connected my consult software (datascan) I noticed a sharp retarding of ignition timing, which was pretty much my notice of a bad knock sensor. On ohming the sensors, I found that one was open most of the time. To temporarily solve the problem I put a 550K resistor in parallel with the bad sensor ...Announcement of Periodic Review: Moody's announces completion of a periodic review of ratings of Nissan Motor Co., Ltd.Read the full article at Mo... Indices Commodities Currencies...Re: Knock sensor relocation. Post by Talamascan » Thu Mar 07, 2013 6:40 pm. Got this from the z1 site: "A diagnostic trouble code 34 generated by the ECU means that the circuit for the detonation sensor is broken, not that the ECU has "heard" detonation. The ECU is always looking for a resistance in the detonation sensor circuit of around 1 ...Dealer said knock sensor was bad and replaced it. Light remains on so they change both O2 sensors. Light is still on and now they say the wiring harness is bad to the O2 sensors with intermittent readings. Sounds like a bunch of BS and they want $2400 for a harness replacement after the cost of the other repairs.Nissan Mechanic: eric. Hi, Ok, unfortunately the only way to access the knock sensor on this engine is to remove the intake manifold. here are directions: Drain the cooling system. Relieve the fuel system pressure. Remove or disconnect the following: Negative battery cable. Air intake duct.Definitely try all the normal maintenance items first before looking at the knock sensor. Also check your brakes for a sticking caliper, could cause that drop in MPG. My 87 aerostar had a sticking cailper my mileage dropped from 22 to 18 replaced both mileage went back to 23mpg :cheers: 2010 Elantra touring.

Warranty: This genuine part is guaranteed by Nissan's factory warranty. Fits the following Vehicles: 1998-2002 Nissan Frontier | SE, STD, XE | 4 Cyl 2.4L | KA24DE. View related parts. Nissan Frontier Sensor Assembly-Speed Meter. Part Number: 25010-85P01. Vehicle Specific. $155.63 MSRP: $214.37.

The only code even close to that is P0325 which is the knock sensor code. The knock sensor detects pre-ignition or pinging and retards the timing via electronic signal to your computer. The ugly part about the knock sensor is where it is located. The whole intake system must be removed in order to replace it.I am new to clubfrontier and wanted to see what anyone's thoughts are on relocating the knock sensor. I purchased the vehicle about 8 months ago knowing the sensor was bad and was gonna get it replaced.Come to find out the cost with removing the super charge and the manifold and etc was out of...Location of Crankshaft Position Sensor 2002. in the rear of the engine on the drivers side at the top of the transmission bell housing. Read full answer. Jul 08, 2010 • 2002 Nissan Frontier Crew Cab. the knock sensor on a 3.5L should be just under the exhaust ports on the right side of the engine if you're facing the side with the pulleys and ...Oct 21, 2011 · The knock sensor has one trip detection logic. #1. Bad knock sensor won't set an SES light. The code was already there when the light came on. #2. Bad knock sensor will possibly decrease fuel economy. #3. Bad knock sensor will Possibly retard timing causing a slight reduction in performance but probably not enough to notice without monitoring ... Bay Area-based AI startup Symbio today announced its “official launch.” Backed by a total of $30 million in funding, the company has struck deals with both Nissan and Toyota to imp...Nissan Mechanic: eric. Hi, It is located at the top rear of engine block underneath the intake manifold, in the engine valley: eric. Category: Nissan. Satisfied Customers: 60,361. Experience: Automotive Repair Shop Manager, Technician/JA Mentor. Verified.22060-30P00 Knock Sensor Wiring Harness for Nissan Infinity G20 Q45 QX4 I30 J30 24079-31u01 Frontier Maxima Pathfinder Knock Sensors 4.1 out of 5 stars 107 1 offer from $12.99Posted on Oct 17, 2009. Anonymous. SOURCE: how to replace knock sensor in 1995 nissan altima. remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake ...

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172 posts · Joined 2013. #3 · Mar 17, 2014. thatyellow -. The knock sensor is located under the lower intake manifold on top of the engine block. There is no access to it without removing the upper and lower intake manifolds. Some people have reported that a shop has wanted to charge $800+ to do the work.Relocating and wiring knock sensor on a 2001 Nissan Xterra.Knock sensor relocation (how-to)Where is the knock sensor located on a 3.3 v6 nissan frontier truck Nissan knock sensor replacementKnock sensor for 1999-2004 nissan frontier 3.3l v6 2003 2000 2001 2002.Three codes P0328 (knock sensor 1 circ. P0328 Is knock sensor code,all Nissan have this code so leave,concentrate on P0101 and P0103 this is MAF (mass airflow),Just make sure the timing belt is in good condition and the marks are correct, your solution is NTB02-003A In other word you need a reprogram on the ECM. Randy Ohler.first is the brown wire for the 02 sensor. Just splice the brown wire from the CA harness into this wire from the KA plug. Here's a pic of the knock sensor location under the intake manifold. A pics of what the knock sensor plug looks like. once again use shielded wire for the knock sensor. Pic of a shielded wire with the outer layer of ...Knock Sensor 2002 Nissan Frontier Twice in the past week I have hit a pothole and had my service engine light come - Nissan 2002 Frontier Crew Cab question. ... where is the egr valve located on a 2002 Nissan frontier . Read full answer. Be the first to answer Sep 28, 2014 • 2002 Nissan Frontier Crew Cab. 0 answers.The most common symptoms of a faulty knock sensor are engine noises, flashing dashboard or “Check engine” lights and diminished fuel economy. These symptoms are most common when th...Nissan Mechanic: Roy Sheidenberger. HI! It is located under the intake manifold in the engine block,let me know if you have more questions, ROY! Roy Sheidenberger. Category: Nissan. Satisfied Customers: 16,749. Experience: dasdasd. Verified. Roy Sheidenberger and 87 other Nissan Specialists are ready to help you.If you search theres a few nissan forums that pop up Search knock sensor workaround, im going with 100k and 470k resistor so thats 570k close enough i guess. Im not spending $700 to temp fix a bad …If you do a search on google for "Xterra knock sensor relocation" you will see all the info. The two sites that helped me the most were this one (clubfrontier) and: Knock Sensor Relocate 2002 Fronty ODB2 code P0328 or PO327 - 1st Generation Frontier Forum - Nissan Truck Forums - TUNFS: The Ultimate Nissan Frontier Site - Message Board - Yuku2002 Nissan frontier knock sensor replacement. Search. Watch later. Share. Copy link. Info ...The Nissan 350Z design was geared to make the car an attainable performance vehicle. Learn more about the Nissan 350 design and check out pictures. Advertisement The Z's role as sy... ….

OBD-II Trouble Code: P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) Probably a faulty coolant temp sensor. This would also make the vehicle idle poorly when the engine is cold as the computer is making the fuel mixture too rich. 2010 Frontier SE V6 CC LWB 4x2, built 04-2010, purchased 07-2010.2003 silver CC LB V6 SE non-s, leather, SPAL e-fan controller, nismo wheels, bed extender, alarm, e-fan, Nismo CAI, sunroof, nerf bars, knock sensor mod, interior courtesy lights, Rockford Fosgate Audio, oem trailer harness, Nismo CAT-Back, *My Best truck mod* children seats in rear. My Write ups - e-fan, Nismo - CAI,Disable auto AC w/defrost,Engine Timing,How to work your 4x4,Throttle BodyIf you search theres a few nissan forums that pop up Search knock sensor workaround, im going with 100k and 470k resistor so thats 570k close enough i guess. Im not spending $700 to temp fix a bad design flaw from nissan. $5 im going to trick the ecm with resisors, there's writeups of which wires under the hood need to be tapped.knock sensor replacement on a Nissan Frontier 3.3 VG33EOk first of al l do want to appreciate all the advices that l got from you all about my question on this 99 nissan frontier 2.4L that was a pain in the **** finally l got it, The knock sensor s located under the intake manifold, but it wasnt necesary to remove the intake, the trick is just remove the carburator (throttle body) and you can see the KS, its right in the middle of the block, all ...Joined May 12, 2009. 1,742 Posts. #389 · Aug 10, 2014. Knock sensor is in the rear center top of the motor. Timing belt on or off does not affect access. Second question is yes it does affect it. The ECU will slightly retard ignition timing to keep things safe. You will lose power.Re: Knock sensor relocation.. Post by Z-owned » Sun Dec 01, 2013 5:18 pm. Relocating it is quite popular until the ability to replace it back to the proper location is available. Most relocation kit's put it on the #6 cylinder which is the fist to detonate so it still is effective. 338,000 miles and counting !!ZJ Limited. 17970 Answers. SOURCE: Diagram available for 01 Nissan Xterra Knock Sensor location? V6 3.3L The sensor is located underneath the air …Camshaft sensor location of 2002 Nissan frontier? where is the cam sensor on 2002 Nissan frontier 3.3 v6. ... What gaskets are needed to replace the knock sensor on a Nissan Frontier? 2002 nissan frontier knock sensor location, Nissan Frontier Forums. 1st Gen Hangout Knock Sensor relocation on S/C ... 90-02 Nissan Knock Sensor 2206030P00 200SX 240SX 300ZX Altima D21 Frontier Maxima NX Pathfinder Pickup Quest Sentra Xterra Mercury Villager Infiniti G20 I30 Q45 QX4: Automotive ... 2002 CC LB SE SC Nism o cai, gibson exhaust, brush gaurd, billet grill, ..., Hey guys today I got another Nissan v6 engine that needed a knock sensor replacement so I decided to do it a much quicker way than you would normally do.Also..., Buy a 2002 Nissan Frontier Knock Sensor at discount prices. Choose top quality brands APA/URO Parts, API, Autopart Premium, Beck Arnley, Bosch, DIY Solutions, Delphi ..., The Nissan 350Z design was geared to make the car an attainable performance vehicle. Learn more about the Nissan 350 design and check out pictures. Advertisement The Z's role as sy..., Check Vehicle Fit. Knock (Detonation) Sensor. 3 Year Limited Warranty. Terminal Type: Blade. Connector Shape: Rectangle. Terminal Gender: Male. Show More. Shop for the best Knock Sensor for your 2002 Nissan Frontier, and you can place your order online and pick up for free at your local O'Reilly Auto Parts., Definitely try all the normal maintenance items first before looking at the knock sensor. Also check your brakes for a sticking caliper, could cause that drop in MPG. My 87 aerostar had a sticking cailper my mileage dropped from 22 to 18 replaced both mileage went back to 23mpg :cheers: 2010 Elantra touring., Posted on Oct 17, 2009. Anonymous. SOURCE: how to replace knock sensor in 1995 nissan altima. remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake ..., Mercury Knock Sensor fits Nissan 2000 Frontier. Bosch Knock Sensor. App: 1999 - 2002 Mercury Villager Knock Sensor. Brand: Bosch. Part #: F6020-178526. Notes: . Most computer controlled systems use a knock sensor to slow the timing down when experiencing knocking or pinging. Price: $33.66 Quantity. Make Model Year Range Chassis Engine., Nissan Frontiers run a lot better with a good knock sensor. This is one of those codes you won't even know is there. It doesn't turn on the check engine ligh..., Factory manual for normally aspirated 2000 V6 frontier shows there is only one white wire going to the KS from ECM. This wire is White, pin #5 on connector F37 on ECM side, F101 on KS side. The other wire I believe also white on pin #6, connector F37, is the ground shield for KS wire. Not connected to anything on the sensor, but going to ground ..., Sensor knock location intake nissan frontier pathfinder 2000 manifold where engine 4x4 1997 thermostat under housing 2002 change located positionNissan frontier sensor knock relocation location forum timing belt choose board Knock sensor feedback from a dealerKnock nissan frontier sensor 2000 v6 xe diagnostic ran further questions let know if 2006., 1996. Posted October 18, 2009. I took a quick look and it looks like a good easy fix. The only thing I don't like is relocating the sensor to a different spot then the ECM is calibrated for. It will read slightly different then the stock position and may or may not be more or less sensitive to knocking., Common Causes of P0325 in the Nissan Frontier. The Nissan Frontier is a reliable vehicle, but certain issues can arise. The most common causes of P0325 code in a Nissan Frontier are knock sensor fault, wiring issues, and (rarely) Engine control unit issues. Let’s take a closer look at each., Learn how to replace the cam position sensor on a Nissan Frontier with this video tutorial. See the tools and steps needed to fix the code P0340., Harness Engine SUB. Harness SUB, Knock Sensor. 2003 Nissan Frontier XE LWB 3.3L V6 AT 2WD. Genuine Nissan Part - 24079-F4503 (24079F4503) ... HARNESS-SUB,KNOCK SENSOR. Fits Frontier, Xterra. 33 people have looked at this part recently Diagrams and Kits; ... 2002 - KA24DE 2.4L ENGINE 2001 - 2004 - KA24DE 2.4L …, Knock sensor relocation for 2002 Nissan pathfinder 3.5 v6 update this did work no more knock sensor code., If the headlights read VOR, then aim the brightest part or cutoff part just below the mark on the wall. If it says VOL or nothing, aim them 2 inches below the mark on the wall. SOURCE: Where is the knock sensor located on a 2003 nissan. It is located on the engine block itself in the valley between the cylinder heads., Major symptom was lack of acceleration. When I connected my consult software (datascan) I noticed a sharp retarding of ignition timing, which was pretty much my notice of a bad knock sensor. On ohming the sensors, I found that one was open most of the time. To temporarily solve the problem I put a 550K resistor in parallel with the bad sensor ..., Delivering to Lebanon 66952 Update location All. Select the department you want ... 22060-30P00 Knock Sensor Harness Wire Nissan Frontier Pathfinder Knock Sensor 24079-31U01 2206056E11. ... Hisport Knock Sensor Engine Detonation Replacement for Nissan 1999-2004 3.3L XE SVE 1999-2002 Mercury 3.3L Villager OE Number SU4769, …, the plastic around the gear shifter will pop up with a good pull, then turn it side ways to get over the shifter, then there are 2 screws the hold the bezel down around the radio and air vents, then just pull from the air vents it will pop off to reveil the screws to the radio. Knock sensors can be difficult to locate because there usually ..., Knock Sensor 2002 Nissan Frontier Twice in the past week I have hit a pothole and had my service engine light come - Nissan 2002 Frontier Crew Cab question. ... where is the egr valve located on a 2002 Nissan frontier . Read full answer. Be the first to answer Sep 28, 2014 • 2002 Nissan Frontier Crew Cab. 0 answers., hi the knock sensor is located under the lower intake manifold between both cylinder heads. you will have to remove the upper and lower to get to it if this have help please press the accept button. Ask Your Own Nissan Question. Clifton B. 6,653 Satisfied Customers., The front oxygen sensors test the oxygen levels in the exhaust and report back a voltage to the ECU. The ECU takes that voltage and changes the output of gas into the cylinders. If the O2 sensor gives a lean feedback then the ECU will output a richer mixture and vise-versa. The voltage changes constantly and the more it changes within …, Bypassing the knock sensor using the original harness on a 2003 Nissan frontier with a 3.3 liter engine. Codes p0328 p0325, MECHANIC. 18,828 POSTS. Hello, The knock sensor is located under the intake manifold between the cylinder heads on the engine block. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. Cheers. Image (Click to make bigger) SPONSORED LINKS., How to replace and by pass knock sensor on 2002 Nissan Xterra xe 3.3 like and follow for more content 00-04 P0328 frontier v6., Apr 3, 2021 · Save $2,000+ in repairs with this unique knock sensor relocation plug n' play method which eliminates the need to splice or cut any wires. Tips:-try this met... , Warranty: This genuine part is guaranteed by Nissan's factory warranty. Fits the following Vehicles: 1998-2002 Nissan Frontier | SE, STD, XE | 4 Cyl 2.4L | KA24DE. View related parts. Nissan Frontier Sensor Assembly-Speed Meter. Part Number: 25010-85P01. Vehicle Specific. $155.63 MSRP: $214.37., Hey guys today I got another Nissan v6 engine that needed a knock sensor replacement so I decided to do it a much quicker way than you would normally do.Also... , I'm skeptical that placing a new one in some side location will work as well as the factory location. Please explain why an alternate location is okay. Thank you …, The intake manifold has to be removed to replace the knock sensor and the gas tank dropped to replace the vent valve. total labor for both are over 6.2 hours and cost of knock sensor is $60 and price of vent valve $90-120. total cost parts and labor are $750-1050 depending upon local labor rates, HelloCustomer The knock sensor on your Nissan is located at the top of the engine block, under the upper intake manifold. It is a PIA to replace, and involves removing a lot of the upper part of the engine. Here is a picture to give you an idea of where it is. Experience: 23 years auto repair experiance., 321 Answers. Posted on Jun 14, 2009. SOURCE: 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. The Knock Sensor is located: Under hood, center, front engine area, below intake manifold, mounted on block.