tilliepeople
Well-Known Member
While driving my 2001 expedition the engine started a loud popping noise .
Almost sounds like I blew a spark plug out .
It's been showing codes P0171 and P0174 since the weather got cold .
and now added P0125 and P0307
Thinking I blew a gasket someplace but can not find it .
It's about 10 degrees and I am working outside .
I have an appointment at a shop tomorrow but would like to have a better idea as to what could cause this .
Oh yea , it is a 5.4 4x4
Almost sounds like I blew a spark plug out .
It's been showing codes P0171 and P0174 since the weather got cold .
and now added P0125 and P0307
Thinking I blew a gasket someplace but can not find it .
It's about 10 degrees and I am working outside .
I have an appointment at a shop tomorrow but would like to have a better idea as to what could cause this .
Oh yea , it is a 5.4 4x4