Check engine light p0171

Asked by Apr 15, 2017 at 02:17 AM about the 1999 Ford F-150 Lariat 4WD Extended Cab SB

Question type: Maintenance & Repair

P0171 bank 1 to lean any ideas on where to start idles just
fine

1 Answer

I'll try I'm am going to run seafoam through it to see if that's it I was told a vacuum leak as well

Your Answer

F-150

Looking for a Used F-150 in your area?

CarGurus has 9,530 nationwide F-150 listings starting at $2,500.

Postal Code:

Ford F-150 Experts

  • #1
    OJ
    Reputation
    9,960
  • #2
    dandyoun
    Reputation
    4,690
  • #3
    tennisshoes
    Reputation
    3,420
View All

Related Models For Sale

Used Chevrolet Silverado 1500
196 Great Deals out of 12,355 listings starting at $734
Used GMC Sierra 1500
209 Great Deals out of 12,298 listings starting at $1,775
Used Ford F-250 Super Duty
34 Great Deals out of 715 listings starting at $3,900
Used Toyota Tundra
46 Great Deals out of 1,489 listings starting at $5,995
Used Dodge Ram 1500
40 Great Deals out of 450 listings starting at $4,995
Used Toyota Tacoma
34 Great Deals out of 1,338 listings starting at $4,995
Used Ford Mustang
993 listings starting at $3,900
Used Ford F-350 Super Duty
25 Great Deals out of 1,240 listings starting at $8,777
Used Ford F-250
2 listings
Used Chevrolet Tahoe
6 Great Deals out of 984 listings starting at $7,600
Used Ford Explorer
42 Great Deals out of 1,610 listings starting at $4,995

Used Cars For Sale

2018 Ford F-150 For Sale
4,506 listings starting at $29,017
2017 Ford F-150 For Sale
84 Great Deals out of 1,027 listings starting at $31,900
2016 Ford F-150 For Sale
88 Great Deals out of 911 listings starting at $21,996
2015 Ford F-150 For Sale
139 Great Deals out of 720 listings starting at $19,995
2014 Ford F-150 For Sale
85 Great Deals out of 581 listings starting at $9,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.