Nice write up Dog. And just to add, for those of you running with a CAI or permanent washable filter, especially do it after re-charging or cleaning the air filter and or check it after you've put the filter back in and driven the truck. Your supposed to let the filter set and the charging oil dry properly, but I have seen where some might not wait long enough for that and after running the truck, some of the charging oil will get on the sensor, sometimes that will happen even after it does dry long enough, I've seen it happen. Anyway, that will mess with how the sensor is reading the a/f mix, just my 2 cents (and it's not even worth that )