So I have a 2005 5.3l with the L33, it has 64k and i have lifted it and for performance upgrades it has a cold air intake and a 3 inch mbrp exhaust with a diablo tune. Now I want to do more mods but I want to keep it safe bc its literally in mint condition and I dont want to ruin it. Any...

I'm looking to buy a crew cab Colorado or Canyon 4x4 automatic with the 5.3L V8. I believe these were made from 2009 - 2012. It needs to have A/C and cruise control and prefer cloth interior. 100k miles or less preferred but higher miles would be considered depending on the condition. Since I...

Hello. I have a 2004 silverado with the 5.3l vortec. Check engine light is on with code P0327 (knock sensor 1 circuit low). Before I take off the intake and replace it, I was wondering if someone could tell me what steps to do to verify it's the actual sensor itself and not something else. I've...