P0171 code
Thread Starter
|
New User
Joined: Sep 2004
Posts: 15
Likes: 0
P0171 code
I have a 1996 F-150 with a 4.9. I am getting P0171 and P0174 codes. Additionally, I find that gas from the front tank is being pumped to the rear tank. I have not been using the front tank because I do not want the overfill the rear tank. Based on what I have read in the forum, I assume that the fuel pump and/or check valve is faulty in the rear tank. Is the check valve in question a part of the fuel pump or do I have to buy the whole assembly? Thanks in advance for your help!
Thread
Thread Starter
Forum
Replies
Last Post
calbaker
Fuel Injection, Carburetion & Fuel System
4
Mar 16, 2010 04:36 PM
bluesman2333
1987 - 1996 F150 & Larger F-Series Trucks
13
Feb 3, 2008 08:15 AM
1982fordf100
1987 - 1996 F150 & Larger F-Series Trucks
7
Jul 27, 2006 12:26 PM
