Man that's alot of dirt... And GM put those foam pieces in there to prevent that.

 

so i guess you could call that a

 

Killtank, what were you thinking?
Congrats on solving the problem.

 

Just did both knock sensors and harness on my girls 2005 silvy 5.3, was very dirty under the intake but not nearly as dirty as yours! lol you got a damn mountain under there LMFAO! no wonder yours and my knock sensors took a ****.

 

Ya'll are making me wanna peek under my Maggie, just to see#7