How do I diagnose Electrical problems? Check EngineSoon Light came on.Truck is running rough.

Asked by hHaystacker2 Feb 13, 2013 at 04:56 AM about the 2001 Ford F-150 XL LB

Question type: Maintenance & Repair

My Check Engine Soon Light Has come on and, my Truck is running rough.Lights dim when I rev Engine.How do I get into diagnostic mode to read codes.Can I use a wire to jumpinto diagnostic mode?

1 Answer
605

jbmeier07 answered 11 years ago

Your best bet would be to take it to Autozone. The have an OBDII code reader and will check your codes for free. If your lights are going diw when it idles up you may want to load test your alternator. I think Autozone will do that as well but not sure of the price. Aside from that, I would check all the connections from the alternator and the battery etc

Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    42,470
  • #2
    Gene Arnett
    Reputation
    16,040
  • #3
    Rowefast
    Reputation
    15,840
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
171 Great Deals out of 5,940 listings starting at $3,995
Used GMC Sierra 1500
128 Great Deals out of 6,854 listings starting at $3,975
Used Ford F-250 Super Duty
27 Great Deals out of 1,201 listings starting at $8,995
Used Toyota Tundra
47 Great Deals out of 1,145 listings starting at $5,999
Used Toyota Tacoma
54 Great Deals out of 1,033 listings starting at $8,708
Used Dodge RAM 1500
4 Great Deals out of 80 listings starting at $4,000
Used Ford Ranger
15 Great Deals out of 1,439 listings starting at $2,888
Used Ford Mustang
49 Great Deals out of 1,268 listings starting at $4,995
Used Chevrolet Silverado 2500HD
20 Great Deals out of 1,146 listings starting at $8,999
Used GMC Sierra 2500HD
17 Great Deals out of 1,712 listings starting at $12,900
Used Ford F-350 Super Duty
36 Great Deals out of 2,603 listings starting at $8,888
Used Ford Explorer
81 Great Deals out of 2,024 listings starting at $2,999

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. Content will be removed if CarGurus becomes aware that it violates our policies.