Ever since I wrapped and relocated the cam sensor wire harness as described in a previous post with the heat proof wrap I have not had any cel at all, I have even installed the Add W1 catch can and still no codes. I think relocating and heatproofing and or making it more resistant to electronic...
No it's a proven fact that the flush cleans the metal surfaces to get it ready for synthetic oil to adhere to it. I have no affiliation with Amsoil anymore but I still use this flush when adding full synthetic to any engine I own.
Make sure you buy the Amsoil engine flush and follow the directions as it cleans the engine and gets it ready for the Amsoil oils. I used to be a dealer.
I just bought a new 23 Gladiator far out edition rubicon and between the 15% and the dealers discount of 8% I bought a 78k sticker gladiator for 60k out the door including taxes, dealer fees ect and got 2k over kbb for a 20 gladiator overland trade,this was last week. Hard not to do this upgrade...