Awasome 2016 Jeep Cherokee Rough Idle No Check Engine Light Ideas. If the gas cap is loose, cracked or damaged, the evap system will detect a leak. Web on october 12, 2016.

If it is not, start with pulling the plugs and visual inspection. Web it feels like a misfire in idle but, there's no cel. If the gas cap is loose, cracked or damaged, the evap system will detect a leak.