P0111 P0111 code definition Intake Air Temperature (IAT) sensor circuit range or performance problem What the P0111 code means P0111 is the OBD-II generic code that indicates the engine control module (ECM) has recorded the IAT sensor input go out...
When you say the truck is riding hard, I have seen many of the suspension struts binding causing a hard ride. They do not shift to smooth ride and may stay stiff. Replacing the shock/struts (https://www.yourmechanic.com/services/strut-assembly-replacement) fixed the issue with...
On most Fiats, there is a mass air flow sensor at the air box, and if you look at the air box, it may have a separate hose coming off of it going into the air intake system and in...
