P0171 P0174 Jaguar S Type (1999-2007)

How I diagnosed trouble codes P0171 and P0174 on a 2006 Jaguar S-type. As a tip most Jaguar parts are not available immediately, in this case, you can substitute the Jaguar part with a part for a Lincoln LS part number 3W4Z-6767-CA. Most local parts store have Lincoln LS part in stock. If you want to get the original part it is a breather hose, also make sure to order new intake manifold gaskets when doing this job to avoid leaks. Please subscribe if this video helped you and share your experience with this issue, thanks!