Hyundai Sante Fe won't start without a jump

Asked by Apr 24, 2016 at 04:09 PM about the 2001 Hyundai Santa Fe 2.7L GLS FWD

Question type: Maintenance & Repair

01 Hyundai Sante Fe wouldn't start without jump 2 days ago, took to Auto Place and analysis stated needs alternator.  Next day it started up and took it to three different places for analysis and nothing found that needed to be repaired including alternator.  So we changed the oil, gassed it up and worked all rest of day.  Now today it won't start again without a jump. No corrosion or issues with battery connections.  Any suggestions?

5 Answers

14,050

Your alternator could still be the problem. Get yourself a cheapie millimeter and set it on volts DC. hook it up to the battery once the car is jumped and running. You should have14+ volts showing on your meter. If not, then you need the alternator. Also, just so you know your battery may be damaged by the bad alternator. If you end up replacing the alternator, then it wouldn't hurt to have what is known as a load test done on your battery. Let us know what you find out. Also, make sure all your connections are good both ends.

15,685

Check all GROUNDS ...Have it read for codes, even if the check engine light is NOT on the computer will have stored information and codes. Write them down. Possibly an interment alternator problem,Check its output use a multimeter, at battery terminals when idling 13.2-14.8 volts of course they load tested the battery first and its good?

118,375

Have the battery load tested and if good make sure it is fully charged as it will need to be for the following. It sounds like a battery draw after the rig is shut down, make sure everything is off, no dome lights, glove box light, etc. then disconnect one battery cable and put a test light in between the battery post and the cable end, if the light turns on bright then you have a draw that is big enough to kill a battery overnight, now electrically disconnect the alternator, if the light goes out or drops to just a faint glow { due to passive resistsnce, a glow is normal} you have found your problem, replace the alternator. If it still is bright then start removing fuses one at a time noting where each one came from until the light turns off or just glows faintly, then find what is on that circuit and put the fuse back in then start disconnect them one at a time to find the offending part, repair or replace that part, then start putting the fuses back one at a time just to make sure the light stays off or just a faint glow. And that is how you track down a battery draw. HTH

1 people found this helpful.
10

It's none of the above they all do this one guy took it to dealer & they changed tranny Yikes it's an intermittent problem maybe the key fob thing lock unlock.

1 people found this helpful.

How do you fix the key fob thing problem?

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