how can I tell if u need battery or alternator?

Asked by GuruFRLPS May 01, 2020 at 06:57 PM about the 2005 Hyundai Sonata

Question type: Maintenance & Repair

I just bought the car a few days ago and it was
acting like it didn't want to crank if it sat too long
and I can't get it to crank today I don't know if it's
battery or alternator?

1 Answer

F_O_R answered 4 years ago

Use a voltage tester. With the engine running you should see about 13.5 to 14.5 volts across the battery terminals for a good alternator. With the engine off you should see about 12.5 volts at the battery if if is good.

3 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Own this car?

Share your experience with others.

2005 Hyundai Sonata

Write a car review

Review another car

Shortcuts

Search Hyundai Sonata Questions

CarGurus Experts

  • #1
    sumcon
    Reputation
    5,890
  • #2
    clifford
    Reputation
    2,200
  • #3
    toDumbToNotKnow
    Reputation
    2,060
View All

Know more, shop wisely

Search

Related Models For Sale

Used Hyundai Elantra
866 Great Deals out of 31,577 listings starting at $1,600
Used Honda Accord
1,490 Great Deals out of 30,125 listings starting at $1,250
Used Toyota Camry
1,802 Great Deals out of 29,308 listings starting at $1,416
Used Honda Civic
1,372 Great Deals out of 26,219 listings starting at $1,299
Used Nissan Altima
1,418 Great Deals out of 33,413 listings starting at $1,085
Used Toyota Corolla
1,355 Great Deals out of 21,169 listings starting at $1,400
Used Hyundai Tucson
920 Great Deals out of 25,751 listings starting at $2,497
Used Kia Optima
350 Great Deals out of 5,340 listings starting at $2,995
Used Hyundai Santa Fe
761 Great Deals out of 23,504 listings starting at $1,699
Used Chevrolet Malibu
958 Great Deals out of 20,374 listings starting at $990
Used Dodge Charger
844 Great Deals out of 18,731 listings starting at $985
Used Nissan Maxima
230 Great Deals out of 3,363 listings starting at $985

Used Cars for Sale

2024 Hyundai Sonata For Sale
4 Great Deals out of 9,868 listings starting at $24,495
2023 Hyundai Sonata For Sale
67 Great Deals out of 1,181 listings starting at $16,995
2022 Hyundai Sonata For Sale
62 Great Deals out of 778 listings starting at $11,999
2021 Hyundai Sonata For Sale
150 Great Deals out of 2,003 listings starting at $11,988
2020 Hyundai Sonata For Sale
57 Great Deals out of 681 listings starting at $9,999

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.