There is 2 on the 6.0L and both of them are underneith the intake manifold. You MUST remove the intake/ TOP OF ENGINE. To change them. IF YOU ARE NOT A MECHANIC, then you need not do it yourself.
knock sensor location
you will lose yuor engine
I don't believe it has a knock sensor.
There is NO right are left bank knock sensor. If you are smart you will replace BOTH of them while you have the intake off. You do have left and right bank oxygen senors, But not knock sensors.
knock sensors on a 2005 silverado are located under the intake manifold
There are 2 knock sensor under the intake manifold, You will need to remove the intake to get to them.
That engine has 2 of them and there both are underneith the intake manifold. You can not see are get to them until you remove the intake.
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You can run a diagnostic test for the knock sensor, on your 2005 Chevy avalanche, by hooking the engine up to a diagnostic tester.
under the intakemanifold on the passenger side
right front of motor