Quote Originally Posted by 2k13jk View Post
My ripp jk which is a 13 also feels sluggish under 2500 its wierd with this advanced pentastar. My air fuel reads 14.4-14.7 idle constantly but at 1600 it will quickly read 15.4 then drop to 14.4 again cruising or above 1600. I think the reasom being could be it the engine goes into ecomode or some stupid epa thing to keep fuel economy good and use less fuel when cruising at 55 and the rpms are lower then 1600
The RIPP should not lag down low, how much weight is on your truck?