☰
AutoCodes.com | All About OBDII Engine Codes
Find a Shop |  Ask Auto Expert
Ask a Question

How do I fix the engine code P0171 on a 2003 Ford F250 5.4L?

1 like 0 dislike
1.6k views
by

How do I fix the engine code P0171 on a 2003 Ford F250 5.4L? What are the symptoms?

Vehicle: 2003 Ford F250 5.4L

1 Answer

0 like 0 dislike
by (8.9k points)
 
Best answer

Common symptoms are engine light on and rough idle. Start by checking for intake leaks, if no leaks are present you may have to replaced the left front O2 sensor to fix the problem.

P0171 FORD - System Too Lean Bank 1

Read more: https://www.autocodes.com/p0171_ford.html

Related questions

0 like 0 dislike
1 answer 546 views
2006 Ford F250 XLT 5.4L 4x4 with codes P0976 and P0720, what do I?
asked Aug 13, 2018 by Rob2 (103 points)
1 like 0 dislike
2 answers 770 views
I have a 1999 Ford F250 5.4L repair solutions for codes p0171 & p0174?
asked Mar 22, 2017 by
1 like 0 dislike
1 answer 953 views
2009 Ford F250 5.4L with engine codes P0191, P0171 and P0174
asked Sep 10, 2018 by david13 (103 points)
0 like 0 dislike
1 answer 429 views
2006 Ford F250 XLT 5.4L 4x4 with code P0796 & P0720, replaced Solenoid B
asked Aug 13, 2018 by
1 like 0 dislike
2 answers 547 views
2004 Ford F250 XLT 5.4L with code P0720, idles rough and stalls
asked Oct 18, 2018 by

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
⚠ Check if your car have Safety Recalls

Related Information

- Car TSB
- Car Recalls
- Car Common Problems
- Car Safety Rating
- Car Technical Articles
- OBDII FAQ
- OBDII Components
- 2024 Cars MPG

All OBDII Codes

- Top 25 Codes
- Latest Codes
- All OBDII Codes
- Powertrain (P) Codes
- Network (U) Codes
- Body (B) Codes
- Chassis (C) Codes
Powered by Question2Answer
...