Question about 2002 Hyundai Accent
Last week while driving, the battery and brake dash lights came on faintly then the airbag light came on and the car lost power, wouldn't restart and had to be towed. Replaced battery and tested alternator, charge was good. Car worked for a few days but battery and brake dash lights would come on faintly when car was idling or coming to a stop and go back off when car was driving. Also, the windshield wipers were much slower than usual. Radio fine, heat fine, headlights fine. Yesterday after driving for about 15 minutes, the airbag light came on again, then the car started to lose power again while driving up a hill. All of the dashboard lights went completely black and the car barely made it up the hill to my destination. There was a burning smell too. After about 10 minutes, I went back out to move the car, it started up and all the dashboard lights were back on. I'm baffled! Please help!
Hi and welcome to FixYa,
Offhand, definitely an electrical issue. Some ideas to check, consider and/or explore:
Posted on Dec 29, 2008
I had the same problem with the exact same symptoms (brake and battery lights barely turned on). I replaced the battery and everything was fine (but the brake and battery lights still were on). 3 days later battery died again. Recharged battery (remember, it was 3 days old), and again was discharged 2 days later. Took out alternator and tested it at Checkers. result: alternator was generating 11.3 volts, too low. Solution: replaced alternator ($136 at Checkers, plus $60 core. If you leave your old alternator, o core charges apply). Because you tested it with a voltimeter, the only thing you got was that the alternator was generating voltage, but you need to know how much you are getting out of the alternator (has to be around 13.5v) After replacing alternator, no lights were on on dashboard and car is running fine. Replacing alternator is not that complicated. It took me about 15 minutes to remove it and 15-20 minutes to install the new one. Hope this helps!
Posted on Sep 11, 2009
Just the change dipstick and the oil in the car and also check if there is any debris in the car as the broken dipstick which may cause damaged to the engine ,You found the problem it was the oil burn which is causing the loss of power ,and also clean the alternator ..
Posted on Dec 30, 2008
To me it sounds like your alternator is short circuiting internally. Then you just start the car the alternator is cold and it works fine. After a while it is getting hot or maybe due to vibration on a bumpy road and it dies (maybe there is short circuit) so you running on battery until it dies. That is why you smell burning. Maybe you need to check the voltage on alternator after some time when you drive a while to see if there is any changes.
Also you need to check the wiring coming from and to alterator to see if there are some damage on them or they are not tight.
Posted on Dec 29, 2008
Hmm its eletrical alright and the only think that can affect all of those is the battery or ecu. If the alternator is good have the battyer check for damaged cells and if thats fine have a diagnostic done.. OR the burning smell,, It could be that a wire burnt causing the insulation to burn off now its grounding on the car causing a short circuit.. yep that would account for the baffeling problem.. You will need to have a professional autoelectrician have a look for this i highly doubth we will be able to guide you through this one or even you spotting the grounded wire on your own.
Posted on Dec 29, 2008
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Posted on Jan 02, 2017
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