behind the starter
The Duramax don't have a knock sensor.
It is behind the starter. You will have to remove the starter to see are to even get to it.
under the dome
They were not used on that year.
under the intake manifold
Trouble code P0340 means:Camshaft position sensor circuit malfunction
It is the electronic part at the base of the accelerator pedal itself.
timeing cover lower
Do you have a picture of location of crankshaft position sensor for 1992 Chevy Cavalier 2.2L ohv engine?
where is crankshaft position senor on chevy 3500 8.1 engine
how do you change the knock sensor in a 2003 Chevy silverado 5.3
It does not have 1