Question about 2003 Hyundai Sonata

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I have a 2003 Hyundai Sonata my alarm do not go off but when I went in the house for 5 min, now my car will not crank up nor start. I got a jump, checked all the fuse, everything and nothing works. P

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The starter can go bad like that.

Posted on May 03, 2015

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Posted on Jan 02, 2017

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SOURCE: my 2006 hyundai sonata alarm keeps going off

One word:


Next time just disconnect the battery until you get it towed as this is a warranty item. I'll bet some wondered if this was a prank question like I did, right?

Posted on Nov 22, 2008

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SOURCE: 2003 hyundai santa fe car alarm

I had the same problem a while back. What I did was disconnect the battery for a minute and I havent had that problem since.

Posted on Feb 14, 2009

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SOURCE: crank sensor location on Hyundai Sonata 2003 model

look carefully on bellhousing and rocker cover/head it has to be somewhere

Posted on Apr 03, 2009

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SOURCE: car alarm randomly goes off

there is a hood switch located at front passenger side under hood. check to make sure the plunger at hood is pushing the switch completely down. sometimes there may be just enough clearance that a strong wind will set the alarm off.

Posted on Jul 20, 2009

SOURCE: Hyundai Sonata 2003 Car starts then dies immediately :(

dear friend-it appeares that you have no feul pressure,check pressure,feul filter,feul system,

Posted on Jul 21, 2009

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2003 Hyundai Sonata 2.4l auto went dead while driving the other day and now cranks but will not start. trouble code lists P0335

Code 335 is for a problem with the crank sensor circuit.
It could be a faulty sensor or something in the wiring harness.

Feb 09, 2013 | Cars & Trucks

2 Answers

I have a 2003 hyundai sonata and i dont have the remote for the stock alarm. My alarm keeps going off and my car wont start. I bought a new battery and even tried the key in the door still no luck.....

The 2003 Sonata is equipped with a 'starter KILL' burglar alarm system with disables the starting system (using a N/C 'contacts' configuration instead of a N/O contacts configuration). N/C=Normally closed, and N/O=Normally open contacts. When the alarm goes off with a MY Sonata, the only way to DISARM it is with the key fob (remote) originally programmed for it (unless you purchase a new remote & have it programmed for the vehicle at an authorized Hyundai Service Department). NOTE: So long as the keyless entry & burglar alarm system is functioning/operating normally, the alarm will keep going off and the STARTER KILL function will still prevent you from starting the vehicle. One option is left without purchasing a new remote and having it programmed.
1. When the alarm goes off, get into the vehicle and insert the ignition key into the ignition.
2. Turn the key to the 'RUN' position (NOT the ACC position) and wait for the alarm to STOP (usually about 3 to 5 minutes).
3. The engine should then start using the ignition key.

If this procedure doesn't work, the problem will need further diagnosis by a qualified/certified Hyundai Service Technician.

Hope this helps

Aug 27, 2011 | 2003 Hyundai Sonata

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I have a 2003 Hyundai Sonata that just dies when i'm driving

Not the battery. Once the car is started, a bad battery will not cause it to stop running all of a sudden.
For engine to run you need - compression, air, fuel, spark.
Might want to check out your ignition coil for an intermittent condition - try replacing it.
And if it does not turn over(crank) check the wiring going to the starter motor,solenoid, for good connectivity. And make sure that your fuel pump is always getting power and pumping.

Mar 12, 2017 | Hyundai Motor 2003 Sonata

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I have a 2003 sonata, in july the alternator and battery went and now the crank shaft sensor went. are they related?

No not related, the battery and alternator can be related, but not the crank sensor.They are not on the same cicuit, just coincidence.

Oct 27, 2009 | 1992 Hyundai Sonata

1 Answer

2004 Sonata Alarm

Yes!... reset the alarm with the fob!

Aug 02, 2009 | 2005 Hyundai Sonata

1 Answer

Where is the camshaft censor A on a 2003 hyundai sonata



Apr 07, 2009 | Hyundai Motor 2003 Sonata

1 Answer

Can't turn off the car alarm

well then I would disconnect the power to the alarm

Mar 28, 2009 | 2000 Hyundai Sonata

1 Answer

2003 Hyundai XG 350 will not start

Hooked new battery up, alarm went off, waited until it stopped, locked car with fob then unlocked and the car started.

Dec 15, 2008 | 2002 Hyundai XG350

2 Answers

2003 hyundai sonata

I have the same problem, starting today. i was driving and it just died. and when its cold it cranks. but when hot itll start and instantly die.

Oct 28, 2008 | Hyundai Motor 2003 Sonata

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2003 Hyundai Sonata 2.4L won't start Last week my wife was driving down the road, and her 2003 Hyundai Sonata 2.4L just died...of course it was xmas to boot.. but anyways, we went round and round trying to figure out what was wrong, so I went a got a brand new fuel pump assembly, installed it, and the car still wouldn't start..i tried to shoot some starting fluid in the air intake, and it sounded like it wanted to fire up, but just wouldn't..tried a few more times, and it just basically sounds fine, but without the the gas to make it run. So I eventually read up on what else it could be, and looked at the timing belt, while the wife was cranking over the engine in 1/2 second intervals. I noticed 4 areas that had anywhere from 1 to 3 teeth missing.. so i went to remove the timing belt, and seen that the balancing belt was broken in half, and all wrapped around the sprocket.. I removed that, and the timing belt. I also removed the crankshaft sensor. I put everything back together, and had the timing marks pretty close to where they needed to be...the only ones I could get exactly right, were the intake and exhaust camshaft marks. the intake timing mark was 2 teeth clockwise past the timing mark, and the exhaust timing mark was 1 tooth counter clockwise from the timing mark.. but anyways, i figure it should at least fire up, but to my did absolutely nothing.. basically engine turns over just fine, I don't hear no noise, or clanking anywhere, sounds like it has compression..but again, just isn't getting fuel i imagine.. tried using starting fluid an idiot..and it seemed like it has spark since it tried to fire up.. I guess I just want to know if somebody might know of something else that could be causing my problem. thanks.

Feb 27, 2017 | 2003 Hyundai Sonata

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