P0325 Honda V6 J SERIES Knock Sensor REPLACEMENT | Accord Odyssey Ridgeline Pilot Acura TL CL MDX

The P0325 code means that the Knock Sensor is not working properly. Applies to Accord Ridgeline Pilot Odyssey TL CL MDX. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually takes care of the problem.
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The Knock Sensor (KS) senses engine knocking (also known as detonation or pinging) using a piezoelectric element. The sensor is attached to the cylinder block, cylinder head or intake manifold. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM). The ECM uses this signal to retard the ignition timing and protect the engine from this damaging pre-ignition.
Knocking (also knock, detonation, spark knock, pinging or pinking) in spark-ignition internal combustion engines occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.
The fuel-air charge is meant to be ignited by the spark plug only, and at a precise point in the piston's stroke. Knock occurs when the peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle. The shock wave creates the characteristic metallic "pinging" sound, and cylinder pressure increases dramatically. Effects of engine knocking range from inconsequential to completely destructive.
Knocking should not be confused with pre-ignition-they are two separate events. However, pre-ignition is usually followed by knocking.
The phenomenon of detonation was first observed and described by Harry Ricardo during experiments carried out between 1916 and 1919 to discover the reason for failures in aircraft engines.
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[@Siknan80]

How did dog treats get underneath that, great mechanic u are 😏💯.. This is what I should do but I'm more than likely gonna pay 😢

[@bundysgarage]

A rat chewed the wiring from the knock sensor and brought in some Milk Bones to set up shop under the intake plenum.

[@Siknan80]

@@bundysgarage 😀 That's crazy, what a story to tell 😎💯

[@coburn_karma]

LOL!!!.......Dog Treats. First time to see this before my very eyes. Awesome time lapse. Have to perform this job on my 2007 FJ, mice chewed up the KS wires while it was parked in the garage for 2 months. Great Paper Towel tip btw.

[@lunchonthehood5675]

You can actually replace it + the wire by just taking the power steering pump off and reaching in with a 24mm long wrench… only if you are used to these workarounds as a professional mechanic because it hurts your wrist a little.. I’d rather do it this way and save the aches.

[@ganeshnarayan5505]

Thanks Bundy for this video .

[@johnw3379]

That looks like fun...I hope I never have to replace that on my j35a6 lol

[@Nail8055]

Yep, nice of Honda to hide it so well.