Mine was a disconnected cable to the charcoal filter near the gas tank.
140 ft. LBS.
You can run a diagnostic test for the knock sensor, on your 2005 Chevy avalanche, by hooking the engine up to a diagnostic tester.
It is under the edge of the drivers side dash.
There is 2 of them. And thay are under the intake manifold. You will have to remove the intake to service them.
In the alternator.
You will need a diagnostic scanner to retrieve the codes.
Diagnostic trouble code
It sure could. If you KNOW how to use it and READ it.
DTC- Diagnostic Trouble Code.
NO.
NO.
1500