0 like 0 dislike
455 views
by
I HAVE THE CODE P0301,P014,P0171
I CHANGED THE CABLE,AIR FILTER,THE INYECTOR #1 AND STILL WITH THE PROBLEM WHAT CAN I DOING NEXT
Vehicle: FORD EXPEDITON 97 4.6 4X4

1 Answer

0 like 0 dislike
by (13.6k points)
Hi there

Usually the P0171 and 174 codes caused at the same time are due to low fuel pressure or a faulty mass air flow sensor. As for the misfire code, this could be caused by an intake manifold gasket leak or a problem internally with the engine. I would do a compression test on #1

Related questions

33.7k questions

32.5k answers

1.3k comments

23.0k users

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