I have a 2003 Ford Expedition.

Asked by Jun 24, 2015 at 03:44 PM about the 2003 Ford Expedition

Question type: Maintenance & Repair

the check engine light came on and when scan the codes B 1600, B 1602, P 0171, P
0174 came up. What do those mean?

2 Answers

B1600 and 1602 are PATS (Passive Anti-Theft System) Try another key. Actually something is really whacky if it starts with those codes. See http://b1600.enginetroublecode.com/ford-expedition and............. http://www.ford-trucks.com/forums/812980-b1600-1602-codes.html

P0171 and P0174 is lean, both banks. Could be faulty MAF (or just dirty,) the Mass Air Flow sensor measures the air flow going in to intake. Or a vacuum leak. Lean running can damage your catalytic convertor in a short time. Look for vacuum hoses fallen off, especially PCV See http://www.obd-codes.com/p0174 - http://engine-codes.com/p0171_ford.html

Your Answer

Ford Expedition Experts

  • #1
    T_S_T
    Reputation
    2,100
  • #2
    Larry Sturgis
    Reputation
    1,490
  • #3
    lightGear
    Reputation
    1,040
View All

Related Models For Sale

Used Chevrolet Tahoe
803 Great Deals out of 42,074 listings starting at $1,987
Used Ford Explorer
1,245 Great Deals out of 69,554 listings starting at $1,000
Used Chevrolet Suburban
485 Great Deals out of 24,242 listings starting at $1,799
Used Ford F-150
3,329 Great Deals out of 221,765 listings starting at $1,200
Used Lincoln Navigator
82 Great Deals out of 3,755 listings starting at $1,795
Used GMC Yukon
607 Great Deals out of 20,728 listings starting at $2,500
Used GMC Yukon XL
270 Great Deals out of 14,431 listings starting at $1,950
Used Cadillac Escalade
288 Great Deals out of 11,900 listings starting at $1,200
Used Nissan Armada
161 Great Deals out of 9,901 listings starting at $2,995
Used Toyota Sequoia
126 Great Deals out of 5,152 listings starting at $1,500
Used Ford Excursion
11 Great Deals out of 830 listings starting at $2,995
Used Dodge Durango
372 Great Deals out of 24,221 listings starting at $1,500
Used Ford F-250 Super Duty
407 Great Deals out of 49,117 listings starting at $1,899
Used Toyota 4Runner
334 Great Deals out of 26,793 listings starting at $1,800
Used Jeep Grand Cherokee
1,078 Great Deals out of 72,500 listings starting at $1,195

Used Cars For Sale

2018 Ford Expedition For Sale
1,586 listings starting at $37,371
2017 Ford Expedition For Sale
70 Great Deals out of 6,304 listings starting at $23,086
2016 Ford Expedition For Sale
76 Great Deals out of 1,554 listings starting at $21,999
2015 Ford Expedition For Sale
19 Great Deals out of 728 listings starting at $18,995
2014 Ford Expedition For Sale
38 Great Deals out of 870 listings starting at $10,500

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.