0 like 0 dislike
1.1k views
by

2007 F250 SD 5.4 gas Inter mil codes po171 and po174. No vac leaks found. New Intake manifold. now hard shift 1-2 and code po191 came up also. bad fuel pump? low pressure?

Vehicle: 2007 Ford F250 SD 5.4 gas

1 Answer

0 like 0 dislike
by

you can check fuel pressure 

see specs below

Ford F250 5.4 fuel pressure

fuel pressure sensor can also be bad 

 

 

Related questions

0 like 0 dislike
1 answer 456 views
0 like 0 dislike
1 answer 361 views
0 like 0 dislike
1 answer 2.9k views
0 like 0 dislike
1 answer 698 views

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
...