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

I got the engine code P0171 on my 2005 Lincoln Aviator 4.6L, what are the possible causes?

1 like 0 dislike
843 views
by

I got the engine code P0171 on my 2005 Lincoln Aviator 4.6L, what are the possible causes?

Vehicle: 2005 Lincoln Aviator 4.6L

2 Answers

1 like 0 dislike
by (13.5k points)
 
Best answer
P0171 Fuel trim lean Bank 1

Vacuum leak,will cause this code, this can be from the brake booster hose, the PCV vacuum hose. disconnected vacuum hose or even broken vacuum hoses.
0 like 0 dislike
by (8.9k points)
P0171 LINCOLN Code - Fuel Injection System Too Lean Bank 1

Read more: https://www.autocodes.com/p0171_lincoln.html

Related questions

0 like 0 dislike
1 answer 2.7k views
Lincoln Aviator 4.6L, which coil does the P0356 code refer to?
asked Jun 7, 2018 by
1 like 0 dislike
1 answer 496 views
How can the C1742 code be fixed on my 2005 Lincoln Aviator?
asked Dec 6, 2017 by
0 like 0 dislike
1 answer 987 views
2003 Lincoln Aviator p0660, p0340 loss of power, bad acceleration
asked Feb 4, 2018 by Sleepingxgiant1989 (102 points)
1 like 0 dislike
2 answers 871 views
What are the engine codes P0171 and P0174 on my 2000 Lincoln LS?
asked Oct 7, 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
...