Sonata NF (2006-10) :: Battery Light Flickering For Just A Fraction Of Second At Irregular Intervals
Oct 1, 2015
2009 3.3 GLS ... Yesterday my wife told me that the battery light in her Sonata was flickering for just a fraction of a second at a time at irregular intervals. Nothing else was an issue so we didn't think much of it, started fine, no other lights.
She just called me to tell me that on her way into work it started very hard, all the lights on the dash were flashing, the engine was stumbling and wanting to quit, and the radio is no longer working.
It will be several hours until I can get to it to check it out, but my first thought is to check the grounds. I haven't worked on this vehicle in the past so exactly where to look first or any other issues I should look for...
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I have a 2003 Excursion 4X4 V10 (6.8l) gas with 130K.
About six months ago, the truck started stalling at irregular intervals. The truck runs fine for weeks at a time, but will suddenly die. This happens at idle, and under power. After stalling, the truck usually starts back up, but there has been a few instances where I thought it sounded fuel starved. It has stalled as many as four times in a row (within 15 minutes), but shortly after it runs fine again.
I researched this board, and tried the following: cleaned the MAF, and replaced the IAC Valve.
But, it stalled again, so in late February I took it to the dealer; a AAA approved repair facility which means they guarantee the fix for two years.
The dealer claimed to have pulled a P0231 code. As a result, they replaced the fuel pump and assembly, along with the fuel filter.
The truck ran fine until two weeks ago, then it went thru a series of stalls again. In each instance, the truck started right up, and I drove it to the dealer.
The dealer took it in again and had it for six business days, but they could not replicate the issue. I suggested they test the PCM/fuel relay and the signal going to the fuel pump - they said everything checked out okay. No charge, the ticket remains open.
What could be causing this? I am not too good with electrical stuff; in fact, I know very little. Another member explained a way to test the signal at the time the truck stalls, but I am not sure if I could competently do it. I am thinking I need to start replacing part after part until it stops? I don't mind doing that, but would need to know which parts to focus on. Should I start with the MAF? I cleaned it, but do not know how to test it.
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2004 f350 w 125000 miles.
I had diagnostic done at Autozone and no problems from check or OBD. The battery light has been coming on for a few minutes then going off at random intervals. Today I was towing trailer and quads, around 3500 lbs, to go riding and it was on most of the time running on interstate and highways.
Seems like the serpentine belt doesn't have as much tension as I would expect. Is there an easy way to change the serpentine? That looks to be a real pita.
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Past week I have noticed a flicker on all lighting (head/taillights, interior lights) on my '06 Sonata (4cyl). Seems to be an intermittent problem, as one time in three there is no flicker, and everything seems to be fine.
Yesterday, when pulling into my driveway, I momentarily lost all lighting/radio/fan for what seemed to me a full second and a half before everything "came back on".
I've checked fuses, battery cables (batty is new, 6mos)... Is this alternator related? What else should I be looking at? My Sonata has been bulletproof. No mechanical issues whatsoever....
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So, I have have an intermittent flickering of the battery light. The weird part is that it ONLY happens between 80 and 85 mph. Any faster or slower and it doesn't happen. It's not a steady flickering, but a random intermittent flicker. What the issue may be? The car has a new (within 2000 miles) battery and alternator. 1.8t with manual transmission.
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195K, B5, 1999, AEB. The battery light on the dash is flickering...mostly off, but the light (battery symbol) lights up ever-so lightly...then off, then on...on for about half of a 45 minute drive last night. Voltage regulator? Alternator? The battery seems fine, as it turns over after a cold night...
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MKIV R
28xxx miles
So here's the deal. I first purchased the car about 2 months ago. Aside from preventative maint (plugs, coils, new fluids, oil, filters, etc.) no problems with the car whatsoever. However, I noticed at night with the lights on, the instrument cluster and every now and then the lights will "flicker". Not knowing when the original owner replaced the battery, if ever (it was an OEM battery so I wasn't positive), I figured maybe its a sign the battery was going.
So I replaced with an OEM VW battery a couple weeks ago (less than 1000 miles on it) and it appeared the problem was corrected. The instrument panel and even headlights, seemed brighter too and no flickering! Then last night, I noticed it was happening again. There is no problem with the car, except for the flickering, and I'm wondering if its not the battery, is it the alternator? What are some other problems I might expect to see if it was? Do I just get a voltmeter and test? Is there an electrical wiring issue somewhere?
Not sure if it matters but I did do a search and noticed some people have had problems after a rain storm. Im in NC and it rains almost every day or every other day, most of which I'm not driving the car but it sits outside. It did rain the other day when I noticed it happening (not while driving just prior to me driving). ALso, no CEL or Alternator Workshop.
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Randomly for the past couple of weeks, my 2009 2.4 automatic has the transmission letters on the dash rapidly flickering... ex.: driving in D, the display flickers D-P-D-P or D-N-D-N etc very fast. It's not happening in Tiptronic mode and the car is driving very well with excellent mileage.
From what i can see, this happens when the car is in motion only. My thought is a bad contact at a sensor somewhere that loses contact on and off with bumps in the road, but not when stopped? The car has only 50,000km.
It is still under extended warranty, therefore a 50$ deductible for any repair under warranty... whatever issue i had with this car was always intermittent so the dealer won't fix anything if they cannot see the issue and have the nasty habit of charging me like a half hour for trying to diagnose without success. Guess what happens every time I drop off at the dealer? issue not present of course.
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Last Thrusday, my wife couldn't start my Sonata 2010 with 30,350 miles on it. It just clicked and sounded like a dead battery. She had to get a jump start through Hyundai road side service.
I change the battery yesterday (it only had 225 cranking amps) and immediately strange things started happening: lights flickering, engine surging, hard starting, not starting just clicking, gauge lights blink strangely at startup and when switching off ignition, not remembering odometer settings (I set my odo for MPG).
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Just put a side post battery with top post adapters on. I drive to town the battery light was flickering with every little bump finally it turned off. Got to the house car shut off tried to turn it on and nothing no click nothing. The dash lit up half way the radio flickered on and off constantly and and the ebrake light flashed with a beep. I'm at wits end. Just bought a tire and battery and filled the tank and now this happens. 2000 jetta 2.0 GL.....
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So, after all, my sonata engine oil light started flickering yesterday on the way home from work. The light would come on on idle only. I tried to keep the light off by maintaining higher rpm. I knew I have enough oil and I was 2700 miles only in my oil change. Sonata has 97k miles. It was checked by the dealer on Feb 2016 for the engine recall. Dealer said no issues found. Even tough I always hear my engine is noisy. I tried to contact the dealer, they didn't promise any support or any good.
So, I took it to my trusted mechanic and did a proper oil change and filter using 10w30 full synthetic oil. Starting the engine, the light started flickering after 15 min idle. Always using Hyundai's genuine filters and changing full synthetic oil every 4k miles. It looks like the engine is bad. What do you think? Keep pushing on Hyundai's dealer will get me any good? Should I just rebuild / swap engine or just it is the time to get rid of the car? What to do. Dealer really reported no issue with engine when performing recall. 3k miles later in normal driving conditions the oil light is on...
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So my wife's MPG has gone down from mid- to high-40s to barely 40. We've taken it to the dealer and they run a check and said there was nothing wrong, adding that if there was something wrong with the battery I'd get a warning light, anyway.
So, took her car to get some gas for it and coffee for me, Battery meters was about 75% full when I took off. About a half mile later I noticed it had dropped to 40 percent. At that point I filled it up.
When I started it up, I noticed it was now in the purple range. It stayed that way until I got home (after stopping for coffee, too).
Total trip is only about 1.5 miles.
This has been a fairly typical scenario lately, but this was certainly more extreme.
So I think there is something wrong with the way the batteries are charged or the batteries themselves. Toyota disagrees .
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2009 2.4 Sonata. Replaced the battery. Engine light came on after battery replacement. Engine code P0106 (MAP sensor or vacuum leak). Car drove fine before and after the battery replacement. Engine light after replacing battery?
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2nd battery in 2010 Sonata 4-cyl died on my wife last night. Got a new battery today and put it in. (Couldn't move car even to push as there wasn't enough juice left to get transmission out of Park). Started right up after battery replacement and ran engine at idle for probably a half hour. Engine seemed to run a little funny. Lost RPM's and sounded like it might die a couple of times, but it stayed running. Now the dreaded check engine light is on. I've had a couple of stop-starts since it began, so I'm not sure it's going to go away. Car seems to be running fine now. Is there a connection between the battery going dead (so dead I lost radio presets and trip odometer readings) and something fouling up the check engine system?
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2009 Sonata 4 cyl with 40,000 miles.
My car was slow to start last night. This morning took it to Autozone and they checked the battery, which was bad. Got the new battery installed and drove about a mile then turned off engine. Upon restarting engine, Check Engine Light came on.
The timing is such that it seems the CEL is because of the battery. How to handle? My car has otherwise run perfectly in its first 40,000 miles of life. Only other relevant detail is that the presets on my radio kept resetting, I figured this may be because of low battery power.
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2003 - Just recently my battery light started coming on and off on the dash, and occasionally my headlights would turn off and come back on. Now the ABS and BRAKE lights flash and the headlights are still on and off. I have already scraped (not cleaned) most of the corrosion off of the terminals on the battery and tightened the connections...
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Today my 98 Expedition just started at 50 mph or 3000 rpm with battery light flickering and voltage fluctuation toward high end of 18 volts. Battery is 1 month old. No problems under 45 mph or 2500 rpm.
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I have a 2000 Ford Excursion XLT 2WD with just over 155,000 miles on it, for awhile now My battery light has been on and off or it'll flicker and some times it will even stay solid. I checked the batteries and the alternator a while ago and got good readings from them. I just thought it was a code that never got reset. Well this morning I was driving it and I noticed that when I brought the RPMs over 3,000 the battery gauge would go up to 18 volts and the battery stayed on until the RPMs went back down past 3,000. It did this all morning until I got home and just for kicks I put it in park and revved the engine up to 3,000 RPMs, when I did nothing happened. I tried looking online for an answer and I called a few mechanic shops who all said it was my alternator. I want to make sure that it is in fact the alternator....
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I replaced my battery yesterday because it died; today while driving the driver seat belt light and battery light came on at the same time. What might be causing this problem? I drive a 2007 Sonata Limited. It was the alternator.
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I have a bizarre issue, once the car is running about 20 minutes, the seat belt icon on dash and passenger seat belt light (unoccupied) start flashing. Then the flashing become more like a flickering with a noise. At this time all power windows become sticky and operate under the same bop if you will as the seatbelt light. The doors the will not lock and the alarm will not work. Today it took me about 6 minutes just to close one window and i had to lock the car manually. After a few hours with the car being off, everything works fine again, then another 20 minutes of driving the issue reappears.
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Over the past few days the battery light has been flickering and at times staying on. In using the gauge cluster diagnostics, I am getting 12.4 engine off and 13.8 - 14.0 with the engine running.
Even when I'm driving with the battery warning light on I still get a consistent 13.8 - 14.0 (and I do have the headlights on, the A/C running, radio, etc).
Kind of scratching my head on this issue since it appears the alternator and battery are working correctly.
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