2006 Chevy Silverado 2500 HD Duramax Diesel Engine Code P0540 Part 2

for informational purposes only this is not a tutorial.

[@MichaelMulvey-hp3he]

Thank you so much ...very helpful...same thing is happening to my 2004 duramax..that 2006 should be a lly engine. I have the lb7

[@GMT400Chevy]

06 is a lbz, there were some lly's in 06, but they were exactly same as a lbz engine just detuned.