x2andrewclaus wrote: ↑Fri Oct 08, 2021 7:04 amI think the P0171 problem is causing everything else. There was mechanical damage near the intake manifold from the fan blades, and you did some work in that area. Something could be leaking. The manifold on mine is plastic. I'd check there. Use a length of heater hose to listen.
heh. i knew that...didn't notice OP had an 09.