The "knock sensors" for the Avalon 3.0 are facing the firewall on the engine block just below the cylinder head ,their are two knock sensors .
under the intake manifold
Open the hood
I was told at Autozone it is a Knock Sensor Circuit
On a Toyota Avalon, the knock sensor is typically located on the engine block or cylinder head. It is usually positioned on the side of the engine, often near the intake manifold or the rear of the engine. The exact location can vary slightly depending on the model year, so consulting the vehicle's service manual for specific details is advisable.
The manufacturer states throttle body and the intake manifold must be removed to access the knock sensor. The knock sensor is located on side of cylinder block.
The Bank 2 knock sensor on a 1996 Toyota Avalon with a V6 engine is located on the engine block, typically near the rear of the engine, close to the cylinder head. To access it, you may need to remove some components for better visibility. Unfortunately, I can't provide photos, but you can find diagrams in the vehicle’s repair manual or online resources that may help visualize its location.
To change the knock sensor on a 1995 Toyota Avalon, first disconnect the negative battery terminal to ensure safety. Locate the knock sensor, which is typically found on the engine block or cylinder head; you may need to remove the intake manifold for better access. Unplug the electrical connector and unscrew the sensor using a socket or wrench. Install the new sensor by reversing the process, ensuring a secure connection and proper torque specifications.
If you have the 7MGE engine: Then the knock sensor is screwed into the engine block, directly underneath the intake manifold.
where is the knock sensor on a 95 Toyota t100 v6
knock sensor location
Sienna's have two knock sensors located in the valley underneath the intake manifold. Replacement is a three hour job.
Location of knock sensor 1991 GM sierra 350 2500?