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2001 Nissan Quest: knock sensor located on a 3.3L

Customer Question
Where is the knock sensor...
Where is the knock sensor located on a 3.3L in a 2001 Nissan Quest? [email protected]
Submitted: 9 years ago.Category: Nissan
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Answered in 13 minutes by:
4/23/2008
Nissan Mechanic: Clayso, ASE Certified Technician replied 9 years ago
Clayso
Clayso, ASE Certified Technician
Category: Nissan
Satisfied Customers: 422
Experience: 30 years experience full service, all makes and models. I fix cars.
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HI there the knock sensor is located under the intake manifold, between the heads, I will get you the directions to replace the knock sensor. Labor time to replace Knock sensor is 5.2 hours.
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Nissan Mechanic: Clayso, ASE Certified Technician replied 9 years ago
Hi there the knock sensor is located under the intake maniforl between number 4 and 3 cylinders. Book time is 5.2 hours.
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Customer reply replied 9 years ago
Clayso,
Are there 2 differnt types of sensors? I ordered a sensor. It looks like a donut with a connector. What I found is a screw in and the wire connections match the sensor they sent.
Nissan Mechanic: Clayso, ASE Certified Technician replied 9 years ago
HI there one of my technicians has a 3.3 on a stand I felt up under the intake manifold and I felt where the knock sensor is mounted I will ask him tomarrow , I am sure it looks like a donut with a wired connector, I will verify in the morning.
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Customer reply replied 9 years ago
Clayso,
Where you able to get the exact location of the knock sensor for me? It would be nice if I had a diagram or something to work off of. I know several good mechanics here but none of them have worked on one of these.
Nissan Mechanic: Clayso, ASE Certified Technician replied 9 years ago

HI there the knock sensor is shaped like a small donut with a connector, the hole in the middle is for the securing bolt, this sensor goes on top of the block between the cylinder heads underneath the intake manifold, labor guide says it takes over 5 hours to change. This large amount of time to change a sensor means something has to be moved to change it, i.e.intake manifold has to be moved.

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Customer reply replied 9 years ago
I know what the sensor looks like and I had the intake manifold off. It is not there. I called a Nissan dealer this morning and he said it was on the back of the motor near the trans. I can't find it there either. No one seems to have the answer.
Nissan Mechanic: Roy, ASE Certified Technician replied 9 years ago
Roy
Roy, ASE Certified Technician
Category: Nissan
Satisfied Customers: 5,455
Experience: Nissan Master technician
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HI! Let me help the knock sensor is where clyso said it is in the block under the intake here is the Pic for your 2001 quest! Thanks ROY!graphic
Roy
Roy, ASE Certified Technician
Category: Nissan
Satisfied Customers: 5,455
Experience: Nissan Master technician
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